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Jell-o Earthquake

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Open 9 a.m. to 5 p.m., Tuesday to Sunday
Address
1867 St Laurent Blvd, Ottawa, ON
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Browse all Visitor Information for Canada Science and Technology Museum
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Jell-o Earthquake

a pan full of jell-o with mini marshmallows and toothpicks stacked on top
Download activity PDF

Become a civil engineer for the day! Put on your hard hat and start testing buildings to see which can withstand a raging Jell-o earthquake.

What you need

  • Shallow baking pan
  • Jell-o packet
  • Fridge
  • Hot and cold tap water
  • Toothpicks
  • Scissors
  • Mini marshmallows
  • Timer

Safety first

Adult supervision may be needed to make the Jell-o and to handle scissors.

Make it

  1. Follow the instructions on your Jell-o packet to fill the baking pan.
  2. Refrigerate the Jell-o according to package directions.
  3. Using the marshmallows and toothpicks, build five structures to test. Cut the toothpicks with scissors if desired.
  4. Experiment with different shapes and sizes. Which one will be the first to fall? Which one do you think will stand up to the “earthquake” the best?

Test it

Place your first structure on the Jell-o, then shake the pan back and forth. How long did it take for your structure to fall? Were any elements of your building destroyed even before it fell? Repeat this for each of your structures; try to shake it equally as hard each time. Record your results to determine which of your buildings withstood the “earthquake” the most effectively.

Explain it

The Earth’s crust is made of shifting plates, which are slowly moving around the Earth’s surface. When two of these plates collide, it can cause the surface around it to vibrate. This is the shaking that’s known as an earthquake!

Certain structures are able to withstand more shaking than others. Shorter buildings are preferable to taller buildings, because their lower centre of gravity acts like a fulcrum in a lever. The taller the building is, the further the ends are from the fulcrum, meaning that the force of a disturbance like wind or an earthquake is multiplied.

Certain shapes like triangles are very strong and will have made your structure more resistant to the earthquake, especially if you put them near the base. This is because there is no way to bend a triangle without breaking one of its joints, unlike a square or rectangle.

Observe it

Civil engineers, especially those working on buildings in high earthquake-risk areas, have to be sure to construct their buildings in the safest way possible. In addition to the shapes and sizes they choose, they must consider the type of soil the building is built on, the materials used, and the weight of the load inside the building.

One innovative earthquake engineering feat that saved lives in the 2008 Sichuan Earthquake is found in the Taipei 101 building in Taiwan. There, they have a giant, four-story pendulum called a tuned mass damper. When the building sways to one side, the extremely heavy pendulum swings to the other, counterbalancing the effects.

Taipei 101 Tuned Mass Damper
Armand Du Plessis/Wikimedia [Creative Commons]

Go further

Try constructing two identical towers, except for the top “floor” on one being rectangular, and on the second make it pointed. Put them both on the Jell-o and see which one falls first. Using what you know about the centre of gravity of structures, can you think of why this happened?

Jell-o earthquake materials
Jell-o in a pan
Jell-o with marshmallow structure

Program Details

SCITECH
Canada Science and Technology Museum
Duration
60 minutes
Difficulty Level:
Medium
Program Location
Online
  • View all programs at the Canada Science and Technology Museum
  • View other programs related to Food, Earth & Environment, Industrial Technology, Mathematics

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About Canada Science and Technology Museum

Canada Science and Technology Museum
The Canada Science and Technology Museum tells Canada's innovation story in an immersive, educational, and fun way.
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Contact Us

Canada Science and Technology Museum
1867 St Laurent Blvd
Ottawa ON K1G 5A3
Canada

613-991-3044
1-866-442-4416
contact@IngeniumCanada.org
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  • Plan Your Visit
    • Health and Safety
    • Hours
    • Admission
    • Location and Directions
    • Accessibility
    • Browse All Visitor Information
    • Buy Tickets
    • Online Resources for Science at Home
    • About the Museum
  • What's On at the Museum
    • Events
    • Exhibitions
    • Spaces and Studios
  • Bookings and Rentals
    • School Programs
    • Birthday Parties
    • Summer Camps
    • Venue Rentals
    • Travelling Exhibitions
    • Virtual Field Trips
    • Group Visits
  • Educational Programs
    • School Programs
    • Virtual Field Trips
    • Program Location
      • At the Museum
      • At Your School
      • Online
      • Browse all Educational Programs
    • Popular Links
      • 3D Educational Resources
      • Digital Learning Kits
      • Games and Apps
      • Online Resources for Science at Home
      • Tell Me About
      • Try This Out
  • Collection and Research
    • Research Institute
    • Research Projects
    • Collection Resources
      • Ingenium Collection
      • Collection Highlights
      • Conservation and Collection Services
    • Library and Archives
      • Library and Archives Services
      • Library Catalogue
      • Digital Archives
    • Open Access
      • Ingenium APIs
      • Open Data
      • Open Documents
  • Projects and Initiatives
    • Ingenium Channel
    • Curiosity on Stage
    • Women in STEM
    • Aquatic Science Initiatives
    • Climate Science
    • Innovation Storybook