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Showing results 1 to 7 of 7
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Marshmallow Catapult
Source Institutions
In this activity, learners explore physics by building a catapult that launches marshmallows with household objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-050.jpg?itok=8zbHYqfR)
Pulleys and Force
Source Institutions
In this activity, learners explore the concept of force and how pulleys are used in everyday life to make work easier.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-642.png?itok=EMJ_TMvU)
Simple Machine Challenge
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In this activity, learners are challenged, using everyday objects, to create simple machines to complete specific tasks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-223.png?itok=kPxkBZ8w)
Help Wanted
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In this interactive board game, learners "hire" different types of scientists to help canine character Ruff Ruffman solve unusual problems.
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Pulleys
Source Institutions
In this physics activity, learners experiment with pulleys and find that they can decrease the effort needed when using a pulley to lift or move different loads.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-697.jpg?itok=vGEvmj1m)
Digger
Source Institutions
In this activity, learners build their own construction cranes using tongue depressors and pushpins.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-041.jpg?itok=ipTwEY0J)
Interactive Gumball Machine
Source Institutions
In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide.