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Pencil Drop
Source Institutions
In this demonstration, learners observe as a bottle is placed on a table with wooden hoop balanced on top and a pencil balanced on top of the hoop.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-373.gif?itok=nqt6tf9_)
Space Stations: Bones of Contention
Source Institutions
In this activity, learners make models representing bones on Earth and bones that have been in space. They discover what happens to bones without proper exercise and nutrition.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-497.jpg?itok=Ph0OMHHW)
Measure the Speed of a Water Leak
Source Institutions
In this activity (page 2 of PDF under GPS: Glaciers Activity), learners will measure the rate at which water streams out of a leaky cup.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-597.jpg?itok=rj7w75Tz)
How Can Gravity Make Something Go Up?
Source Institutions
In this activity, learners use cheap, thin plastic garbage bags to quickly build a solar hot air balloon. In doing so, learners will explore why hot air rises.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-238.jpg?itok=N6N0hTDh)
Creepy Crawlers
Source Institutions
Trick your family and friends with this creepy crawler that moves up and down. In this activity, learners construct a circuit and motor device that will move a homemade spider in a spooky way.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-654.jpg?itok=2asbLN2W)
Gravity Fail
Source Institutions
In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-584.jpg?itok=8HHj2492)
Free Fall
Source Institutions
In this quick activity (page 1 of PDF under SciGirls Activity: Hockey), learners will use a simple physics of motion and gravity demonstration to test their predicting skills.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-485.png?itok=guP2shnY)
Waterproof Hanky
Source Institutions
In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-719.jpg?itok=flY87hLK)
Eddy Currents
Source Institutions
In this activity related to magnetism and electricity, learners discover that a magnet falls more slowly through a metallic tube than it does through a nonmetallic tube.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-966.jpg?itok=ww_83tdG)
Playing with Parachutes
Source Institutions
In this activity, learners explore how parachutes are used to slow down moving objects. Learners work in teams of "engineers" to design and build their own parachutes out of everyday items.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-259.jpg?itok=72pgq_xc)
Parabola Basketball
Source Institutions
In this activity, learners build mini-basketball courts and explore the laws of physics. Learners discover that everything you throw or shoot on earth travels in a parabola.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-382.jpg?itok=393ASMS2)
Egg Drop
Source Institutions
Perform this classic inertia demonstration to illustrate the transfer of potential energy to kinetic energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-275.jpg?itok=3UvJQYzJ)
Magnetic Marble Run
Source Institutions
Learners explore magnetism and motion as they build a simple marble run. Learners test different arrangements of plastic and cardboard tubes, bottles, and cups on a magnetic board.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-262.jpg?itok=vySnkQCs)
Hand Spin Helicopter
Source Institutions
In this activity, learners build helicopters and launchers using wooden dowels and scrap paper. Use this activity to explore rotational motion and kinetic and potential energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-496.jpg?itok=E2uYD8qy)
Gravity Fountains
Source Institutions
This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-657.jpg?itok=w-s854kR)
Jump for the Moon
Source Institutions
In this activity, learners will train to increase bone strength and to improve heart and other muscle endurance by performing jump training with a rope, both while stationary and moving.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-374.png?itok=drQbeaf_)
Kites
Source Institutions
In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-033.jpg?itok=dqs6UL45)
Does Size Make a Difference?
Source Institutions
In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-232.jpg?itok=cps56lDc)
Marble Drop Game
Source Institutions
Build your own version of a favorite carnival game, in which a marble races down a maze consisting of rows of nails.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-889.jpg?itok=Z3CYKZ_T)
Gravity-Defying Water
Source Institutions
In this activity, learners explore gravity and air pressure as they experiment with holding a glass full of water upside down, without spilling it, using a simple piece of cardstock.