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Image for event: Science Games

Science Games
2026-04-29 16:00:00 2026-04-29 17:00:00 America/New_York Science Games For tweens ages 8 to 12 years old. John M. Harper Branch - Program Room

Wednesday, April 29
4:00pm - 5:00pm

Add to Calendar 2026-04-29 16:00:00 2026-04-29 17:00:00 America/New_York Science Games For tweens ages 8 to 12 years old. John M. Harper Branch - Program Room

John M. Harper Branch

Program Room

For tweens ages 8 to 12 years old.

About the Program

Pendulums, momentum, friction, levers and more feature among the scientific concepts in this drop-in program for families. Play Pendulum Skittles, learn about force and energy with Marble Targets, friction with Penny Pusher, levers with Wobbly Handover, brain science with Stroop boards and gross motor science through the Space Suit Trials. There’s something in this program for everyone, and all and knowledge levels of science are welcome.  

For tweens ages 8 to 12 years old. Please note, a caregiver must remain in the library while children under 10 years of age attend a program. 

Photography Notice: Please note that photographs and videos may be taken at this event and may be broadcast, reproduced, and/or made available in print or online. For individual or small group photos, staff will make attendees aware of their presence and will ask permission before taking photos. 

For larger public events, please note that by attending, you are consenting to the use of your appearance, image, and voice in print or digital productions created by the Waterloo Public Library for promotional use only. Please speak to library staff at the event if you’d like to be excluded from any photo/video. 

Staff: Charlie

AGE GROUP: | Tweens | Kids |

EVENT TYPE: | STEM | Drop-in |

TAGS: | Other Children’s programming |

John M. Harper Branch
Phone: 519-886-1310
Hours
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We're closed Friday April 03 due to Good Friday
We're closed Sunday April 05 due to Easter Sunday
Mon, Mar 30 9:30AM to 9:00PM
Tue, Mar 31 9:30AM to 9:00PM
Wed, Apr 01 9:30AM to 9:00PM
Thu, Apr 02 9:30AM to 9:00PM
Fri, Apr 03 Closed
(Good Friday)
Sat, Apr 04 9:30AM to 5:30PM
Sun, Apr 05 Closed
(Easter Sunday)
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About the branch

Located on the west side of Waterloo, the John M. Harper Branch shares a building with the Stork Family YMCA. It features soaring ceilings, dedicated study space (including 3 bookable study rooms), a large Community Room and an outdoor courtyard. 

Upcoming events

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English Corner
Mon, Mar 30, 10:00am - 12:00pm
John M. Harper Branch - Program Room
For Newcomers
Tech Connect Appointment - One-on-one Technology Help
Mon, Mar 30, 10:00am - 10:45am
Main Library
Do you need help with technology? Let a Waterloo Public Library Tech Coach help you!
Registration is now closed
Tech Connect Appointment - One-on-one Technology Help
Mon, Mar 30, 11:00am - 11:45am
Main Library
Do you need help with technology? Let a Waterloo Public Library Tech Coach help you!
Registration is now closed
Number Ninjas - with United for Litearcy
Mon, Mar 30, 6:30pm - 7:30pm
John M. Harper Branch - Discovery Room
For kids ages 6 to 8 years old.
This event is full
20s & 30s Book Club - "Funny Story" by Emily Henry
Mon, Mar 30, 7:00pm - 8:00pm
John M. Harper Branch - Program Room
For adults in their 20s and 30s.
How To: 3D Print
Tue, Mar 31, 10:30am - 11:00am
Eastside Branch - Program Room
For Adults and Older Adults
This event is full
Discovering Routines
Tue, Mar 31, 10:30am - 11:15am
Main Library - James J. Brown Auditorium
For kids ages 2 to 5 years old with a caregiver.
Creative Art Studio - for Adults
Tue, Mar 31, 6:30pm - 8:30pm
John M. Harper Branch - Program Room
For Adults
This event is full
Film Screening: "The Click Trap" - Community Viewing and Discussion
Tue, Mar 31, 6:30pm - 8:30pm
Main Library - James J. Brown Auditorium
For Adults and Teens (16+)
A Discussion with Susan Wismer and Melinda Burns - in Partnership with Words Worth Books
Tue, Mar 31, 7:00pm - 8:00pm
Eastside Branch - Program Room
For Adults
Explore Play Learn
Wed, Apr 01, 10:30am - 11:15am
Eastside Branch - Program Room
For toddlers and babies ages birth to 5 years old with a caregiver.
Tech Connect Appointment - One-on-one Technology Help
Wed, Apr 01, 2:00pm - 2:45pm
Main Library
Do you need help with technology? Let a Waterloo Public Library Tech Coach help you!
This event is full
Where the Wild Things Are
Wed, Apr 01, 2:30pm - 3:15pm
Eastside Branch - Naturespace,Program Room
For kids ages 2 to 5 years old with a caregiver.
This event is full
Tech Connect Appointment - One-on-one Technology Help
Wed, Apr 01, 3:00pm - 3:45pm
Main Library
Do you need help with technology? Let a Waterloo Public Library Tech Coach help you!
This event is full
Graphic Novel Reading Circle - for Tweens
Wed, Apr 01, 4:00pm - 5:00pm
John M. Harper Branch - Program Room
For tweens ages 8 to 12 years old.
English Conversation Circle - with YMCA Immigrant Services
Wed, Apr 01, 6:30pm - 8:00pm
McCormick Branch
For Adults
The Story of the Seagram Empire - In partnership with City of Waterloo Museum
Thu, Apr 02, 3:00pm - 4:00pm
John M. Harper Branch - Program Room
For Adults
This event is full
After School Maker Club
Thu, Apr 02, 4:00pm - 5:00pm
McCormick Branch
For kids ages 8 to 12 years old.
This event is full
20s & 30s Unfinished Objects (U.F.O.) Club
Thu, Apr 02, 6:00pm - 7:30pm
Eastside Branch - Program Room
For adults in their 20s and 30s.
Tech Connect Appointment - One-on-one Technology Help
Thu, Apr 02, 6:00pm - 6:45pm
Main Library
Do you need help with technology? Let a Waterloo Public Library Tech Coach help you!
This event is full
2SLGBTQIA+ Reading Circle - in partnership with SPECTRUM
Thu, Apr 02, 7:00pm - 8:00pm
Main Library - James J. Brown Auditorium
For Adults
Tech Connect Appointment - One-on-one Technology Help
Thu, Apr 02, 7:00pm - 7:45pm
Main Library
Do you need help with technology? Let a Waterloo Public Library Tech Coach help you!
This event is full
CLOSED Good Friday
Fri, Apr 03, All day
All library locations
All library locations are CLOSED for Good Friday.
Tech Connect Appointment - One-on-one Technology Help
Sat, Apr 04, 10:00am - 10:45am
Main Library
Do you need help with technology? Let a Waterloo Public Library Tech Coach help you!
This event is full
Polymer Clay Critters
Sat, Apr 04, 10:30am - 11:30am
McCormick Branch
For kids ages 6 to 10 years old.
This event is full
Tech Connect Appointment - One-on-one Technology Help
Sat, Apr 04, 11:00am - 11:45am
Main Library
Do you need help with technology? Let a Waterloo Public Library Tech Coach help you!
Chinese Social Club 滑铁卢图书馆华人俱乐部
Sat, Apr 04, 1:00pm - 3:30pm
John M. Harper Branch - Program Room
For Adults
Eid Celebration - in partnership with Coalition of Muslim Women K-W
Sat, Apr 04, 2:00pm - 4:00pm
Eastside Branch - Program Room
Everyone welcome
Chinese Family Storytime 中文故事时间
Sat, Apr 04, 4:00pm - 5:00pm
John M. Harper Branch - Program Room
For Families
CLOSED Easter Sunday
Sun, Apr 05, All day
All library locations
All library locations are CLOSED for Easter Sunday.
CLOSED Easter Monday
Mon, Apr 06, All day
All library locations
All library locations are CLOSED for Easter Monday.
Seniors Social Club
Tue, Apr 07, 10:30am - 12:30pm
John M. Harper Branch - Program Room
For Older Adults
Discovering Routines
Tue, Apr 07, 10:30am - 11:15am
Main Library - James J. Brown Auditorium
For kids ages 2 to 5 years old with a caregiver.
20s & 30s Social Club
Tue, Apr 07, 6:30pm - 8:30pm
John M. Harper Branch - Program Room
For adults in their 20s and 30s.
This event is full
TV Show Trivia: Heated Rivalry
Tue, Apr 07, 7:00pm - 8:00pm
Main Library - James J. Brown Auditorium
For Adults
Seniors Social Club
Wed, Apr 08, 10:00am - 11:30am
McCormick Branch
For Older Adults
Seniors Social Club
Wed, Apr 08, 10:00am - 12:00pm
Main Library - James J. Brown Auditorium
For Older Adults
Explore Play Learn
Wed, Apr 08, 10:30am - 11:15am
Eastside Branch - Program Room
For toddlers and babies ages birth to 5 years old with a caregiver.
Where the Wild Things Are
Wed, Apr 08, 2:30pm - 3:15pm
Eastside Branch - Naturespace,Program Room
For kids ages 2 to 5 years old with a caregiver.
This event is full
Watercolour Basics
Wed, Apr 08, 3:00pm - 4:30pm
McCormick Branch
For Adults
This event is full
Tween Artists in Residence
Wed, Apr 08, 4:00pm - 5:00pm
John M. Harper Branch - Program Room
For tweens ages 7 to 11 years old.
This event is full
English Conversation Circle - with YMCA Immigrant Services
Wed, Apr 08, 6:30pm - 8:00pm
McCormick Branch
For Adults
Day of Pink: Zines for Resistance
Wed, Apr 08, 6:30pm - 8:00pm
John M. Harper Branch - Program Room
For teens ages 13 to 18 years old. 
Book Chat: Get Ready for Canada Reads 2026
Wed, Apr 08, 6:30pm - 7:30pm
Main Library - James J. Brown Auditorium
For Adults
De-Stress with Therapy Dogs - in partnership with Sunshine Therapy Dogs
Wed, Apr 08, 7:00pm - 8:00pm
Eastside Branch - Program Room
For Students and Adults
Learn Create Play
Thu, Apr 09, 10:30am - 11:30am
McCormick Branch
For babies and toddlers ages birth to 5 years old with a caregiver.
After School Maker Club
Thu, Apr 09, 4:00pm - 5:00pm
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For kids ages 8 to 12 years old.
This event is full
Seed Saving - with Seeds of Diversity
Thu, Apr 09, 6:30pm - 7:30pm
Eastside Branch - Program Room
For Adults
Saturday Stories
Sat, Apr 11, 10:30am - 11:15am
Eastside Branch - Program Room
For Families
Baby Art
Sat, Apr 11, 10:30am - 11:00am
John M. Harper Branch - Program Room
For babies birth to 12 months old with a caregiver.
This event is full
Space Jeopardy
Sat, Apr 11, 12:00pm - 1:00pm
Main Library - James J. Brown Auditorium
For tweens ages 8 to 12 years old.
Customize Your Own Bullet Journal
Sat, Apr 11, 3:00pm - 4:30pm
McCormick Branch
For teens ages 13 to 18 years old.
Explore Play Learn
Mon, Apr 13, 10:30am - 11:15am
John M. Harper Branch - Program Room
For kids ages birth to 5 years old with a caregiver.
Baby Music
Mon, Apr 13, 10:30am - 11:00am
McCormick Branch
For babies birth to 14 months old with a caregiver. 
Music Mondays - for Older Adults
Mon, Apr 13, 2:00pm - 3:00pm
McCormick Branch
For Older Adults
Crafting with Creativebug
Mon, Apr 13, 2:30pm - 3:30pm
Eastside Branch - Program Room
For Adults
Dog Lovers Pawty
Mon, Apr 13, 4:00pm - 5:00pm
Main Library - James J. Brown Auditorium
For kids ages 5 to 9 years old.
Seniors Social Club
Tue, Apr 14, 10:30am - 12:30pm
John M. Harper Branch - Program Room
For Older Adults
Discovering Routines
Tue, Apr 14, 10:30am - 11:15am
Main Library - James J. Brown Auditorium
For kids ages 2 to 5 years old with a caregiver.
Global Dance Class
Tue, Apr 14, 6:30pm - 8:30pm
John M. Harper Branch - Program Room
For Adults
This event is full
Open Mic Poetry Night
Tue, Apr 14, 6:30pm - 8:30pm
Main Library - James J. Brown Auditorium
For Adults
Menopause Café
Tue, Apr 14, 7:00pm - 8:00pm
Eastside Branch - Program Room
For Adults
Seniors Social Club
Wed, Apr 15, 10:00am - 11:30am
McCormick Branch
For Older Adults
Baby Connections
Wed, Apr 15, 10:30am - 11:00am
John M. Harper Branch - Program Room
For babies ages 6 to 12 months old with a caregiver.
This event is full
Explore Play Learn
Wed, Apr 15, 10:30am - 11:15am
Eastside Branch - Program Room
For toddlers and babies ages birth to 5 years old with a caregiver.
Majestic Tiles (Mahjong) Club
Wed, Apr 15, 10:30am - 12:30pm
Main Library - James J. Brown Auditorium
For Adults and Older Adults
Where the Wild Things Are
Wed, Apr 15, 2:30pm - 3:15pm
Eastside Branch - Naturespace,Program Room
For kids ages 2 to 5 years old with a caregiver.
This event is full
Discovering Things That Go!
Wed, Apr 15, 2:30pm - 3:15pm
McCormick Branch
For kids ages 2 to 5 years old with a caregiver. 
Tween Artists in Residence
Wed, Apr 15, 4:00pm - 5:00pm
John M. Harper Branch - Program Room
For tweens ages 7 to 11 years old.
This event is full
English Conversation Circle - with YMCA Immigrant Services
Wed, Apr 15, 6:30pm - 8:00pm
McCormick Branch
For Adults
Living with Loss Peer Support Group - with Bereaved Families of Ontario
Wed, Apr 15, 7:00pm - 8:45pm
Main Library - James J. Brown Auditorium
For AdultsRegister
Seedling Social
Wed, Apr 15, 7:00pm - 8:00pm
John M. Harper Branch - Program Room
For Adults
This event is full
Let's Play with Robots - for Adults
Wed, Apr 15, 7:00pm - 8:00pm
Eastside Branch - Program Room
For Adults
Learn Create Play
Thu, Apr 16, 10:30am - 11:30am
McCormick Branch
For babies and toddlers ages birth to 5 years old with a caregiver.
Explore Play Learn
Thu, Apr 16, 10:30am - 11:15am
Main Library - James J. Brown Auditorium
For babies and toddlers ages birth to 5 years old with a caregiver.
After School Maker Club
Thu, Apr 16, 4:00pm - 5:00pm
McCormick Branch
For kids ages 8 to 12 years old.
This event is full
Create Your Own Zine
Thu, Apr 16, 6:00pm - 7:30pm
Eastside Branch - Program Room
For teens ages 13 to 18 years old. 
Launch, Throw, Jump: Kinetic Energy
Thu, Apr 16, 6:00pm - 7:00pm
Main Library - James J. Brown Auditorium
For tweens ages 8 to 12 years old.
Saturday Stories
Sat, Apr 18, 10:30am - 11:15am
Eastside Branch - Program Room
For Families
Exploring Simple Robots
Sat, Apr 18, 10:30am - 11:30am
John M. Harper Branch - Program Room
For tweens ages 8 to 12 years old.
This event is full
Family LEGO Club
Sat, Apr 18, 1:00pm - 2:30pm
John M. Harper Branch - Program Room
For Families
Free Play Saturday - for Tweens and Teens
Sat, Apr 18, 2:00pm - 3:30pm
McCormick Branch
For tweens and teens ages 10 to 14 years old.
WPL's 150th Birthday Bash
Sat, Apr 18, 2:00pm - 4:00pm
Main Library
Everyone welcome
Rubik's Cube Quest
Sat, Apr 18, 3:30pm - 5:00pm
John M. Harper Branch - Program Room
For tweens and teens ages 10 to 16 years old.
Ones Exploring Nature
Mon, Apr 20, 10:30am - 11:00am
Eastside Branch - Naturespace
For ones 11 to 24 months old with a caregiver. 
Registration opens Monday, March 30 2026 at 7:00pm
Explore Play Learn
Mon, Apr 20, 10:30am - 11:15am
John M. Harper Branch - Program Room
For kids ages birth to 5 years old with a caregiver.
Baby Music
Mon, Apr 20, 10:30am - 11:00am
McCormick Branch
For babies birth to 14 months old with a caregiver. 
Music Mondays - for Older Adults
Mon, Apr 20, 2:00pm - 3:00pm
McCormick Branch
For Older Adults
20s & 30s Book Club
Mon, Apr 20, 7:00pm - 8:00pm
John M. Harper Branch - Program Room
For adults in their 20s and 30s.
Registration opens Monday, March 30 2026 at 7:00pm
Knitting and Crochet Club
Mon, Apr 20, 7:00pm - 8:30pm
Main Library - James J. Brown Auditorium
For Adults
Seniors Social Club
Tue, Apr 21, 10:30am - 12:30pm
John M. Harper Branch - Program Room
For Older Adults
Discovering Routines
Tue, Apr 21, 10:30am - 11:15am
Main Library - James J. Brown Auditorium
For kids ages 2 to 5 years old with a caregiver.
Speak Up! Debate Games - for Tweens
Tue, Apr 21, 4:00pm - 5:00pm
Main Library - James J. Brown Auditorium
For tweens ages 9 to 12 years old.
Registration opens Tuesday, March 31 2026 at 7:00pm
Chess Club
Tue, Apr 21, 6:30pm - 8:30pm
John M. Harper Branch - Program Room
Everyone welcome
Registration opens Tuesday, March 31 2026 at 7:00pm
Intro to Piano Basics for Adults
Tue, Apr 21, 7:00pm - 8:00pm
Main Library - James J. Brown Auditorium
For Adults
Registration opens Tuesday, March 31 2026 at 7:00pm
Seniors Social Club
Wed, Apr 22, 10:00am - 11:30am
McCormick Branch
For Older Adults
Baby Connections
Wed, Apr 22, 10:30am - 11:00am
John M. Harper Branch - Program Room
For babies ages 6 to 12 months old with a caregiver.
This event is full
Explore Play Learn
Wed, Apr 22, 10:30am - 11:15am
Eastside Branch - Program Room
For toddlers and babies ages birth to 5 years old with a caregiver.
Where the Wild Things Are
Wed, Apr 22, 2:30pm - 3:15pm
Eastside Branch - Naturespace,Program Room
For kids ages 2 to 5 years old with a caregiver.
This event is full
Discovering Things That Go!
Wed, Apr 22, 2:30pm - 3:15pm
McCormick Branch
For kids ages 2 to 5 years old with a caregiver. 
Tween Artists in Residence
Wed, Apr 22, 4:00pm - 5:00pm
John M. Harper Branch - Program Room
For tweens ages 7 to 11 years old.
This event is full
English Conversation Circle - with YMCA Immigrant Services
Wed, Apr 22, 6:30pm - 8:00pm
McCormick Branch
For Adults
Pollination Station - in Celebration of Earth Day
Wed, Apr 22, 7:00pm - 8:00pm
John M. Harper Branch - Program Room
For tweens ages 9 to 13 years old.
Registration opens Wednesday, April 1 2026 at 7:00pm
Learn Create Play
Thu, Apr 23, 10:30am - 11:30am
McCormick Branch
For babies and toddlers ages birth to 5 years old with a caregiver.
Explore Play Learn
Thu, Apr 23, 10:30am - 11:15am
Main Library - James J. Brown Auditorium
For babies and toddlers ages birth to 5 years old with a caregiver.
Advanced Care Planning 101 - in partnership with Hospice Waterloo Region
Thu, Apr 23, 10:30am - 11:30am
Eastside Branch - Program Room
For Adults
Registration opens Thursday, April 2 2026 at 7:00pm
After School Maker Club
Thu, Apr 23, 4:00pm - 5:00pm
McCormick Branch
For kids ages 8 to 12 years old.
This event is full
LEGO Lab
Thu, Apr 23, 4:00pm - 5:00pm
John M. Harper Branch - Program Room
For kids ages 6 to 9 years old.
Registration opens Thursday, April 2 2026 at 7:00pm
Drama Llamas
Thu, Apr 23, 5:30pm - 6:30pm
Eastside Branch - Program Room
For kids ages 6 to 10 years old.
Registration opens Thursday, April 2 2026 at 7:00pm
Cardboard Chair Design Challenge
Thu, Apr 23, 6:00pm - 7:00pm
Main Library - James J. Brown Auditorium
For kids and tweens ages 7 to 11 years old.
Registration opens Thursday, April 2 2026 at 7:00pm
Conversemos en Español - Let's Chat in Spanish
Thu, Apr 23, 7:00pm - 8:00pm
John M. Harper Branch - Program Room
For Adults
Registration opens Thursday, April 2 2026 at 7:00pm
Ocean Heroes - PD Day Program
Fri, Apr 24, 2:00pm - 3:30pm
McCormick Branch
For kids ages 5 to 10 years old with a caregiver.
Saturday Stories
Sat, Apr 25, 10:30am - 11:15am
Eastside Branch - Program Room
For Families
Baby Art
Sat, Apr 25, 10:30am - 11:00am
John M. Harper Branch - Program Room
For babies birth to 12 months old with a caregiver.
This event is full
Weather and Climate STEM Camp
Sat, Apr 25, 11:00am - 1:00pm
Main Library - James J. Brown Auditorium
For Families
Community Art - with Laurelwood Neighbourhood Association
Sat, Apr 25, 1:00pm - 4:00pm
John M. Harper Branch - Program Room
Everyone welcome
Ones Exploring Nature
Mon, Apr 27, 10:30am - 11:00am
Eastside Branch - Naturespace
For ones 11 to 24 months old with a caregiver. 
Registration opens Monday, March 30 2026 at 7:00pm
Explore Play Learn
Mon, Apr 27, 10:30am - 11:15am
John M. Harper Branch - Program Room
For kids ages birth to 5 years old with a caregiver.
Baby Music
Mon, Apr 27, 10:30am - 11:00am
McCormick Branch
For babies birth to 14 months old with a caregiver. 
Music Mondays - for Older Adults
Mon, Apr 27, 2:00pm - 3:00pm
McCormick Branch
For Older Adults
Seniors Social Club
Tue, Apr 28, 10:30am - 12:30pm
John M. Harper Branch - Program Room
For Older Adults
Ones Exploring Science
Tue, Apr 28, 10:30am - 11:00am
Main Library - James J. Brown Auditorium
For ones ages 11 to 24 months old with a caregiver.
Creative Art Studio - for Adults
Tue, Apr 28, 6:30pm - 8:30pm
John M. Harper Branch - Program Room
For Adults
Registration opens Tuesday, April 7 2026 at 7:00pm
An Evening with Kerry Clare - in partnership with Words Worth Books
Tue, Apr 28, 7:00pm - 8:00pm
Eastside Branch - Program Room
For Adults
Registration opens Tuesday, April 7 2026 at 7:00pm
Intro to Piano Basics for Adults
Tue, Apr 28, 7:00pm - 8:00pm
Main Library - James J. Brown Auditorium
For Adults
Registration opens Tuesday, March 31 2026 at 7:00pm
Seniors Social Club
Wed, Apr 29, 10:00am - 11:30am
McCormick Branch
For Older Adults
Baby Connections
Wed, Apr 29, 10:30am - 11:00am
John M. Harper Branch - Program Room
For babies ages 6 to 12 months old with a caregiver.
This event is full
Explore Play Learn
Wed, Apr 29, 10:30am - 11:15am
Eastside Branch - Program Room
For toddlers and babies ages birth to 5 years old with a caregiver.
Where the Wild Things Are
Wed, Apr 29, 2:30pm - 3:15pm
Eastside Branch - Naturespace,Program Room
For kids ages 2 to 5 years old with a caregiver.
This event is full
Discovering Things That Go!
Wed, Apr 29, 2:30pm - 3:15pm
McCormick Branch
For kids ages 2 to 5 years old with a caregiver. 
Science Games
Wed, Apr 29, 4:00pm - 5:00pm
John M. Harper Branch - Program Room
For tweens ages 8 to 12 years old.
English Conversation Circle - with YMCA Immigrant Services
Wed, Apr 29, 6:30pm - 8:00pm
McCormick Branch
For Adults
See all events