Search Results
Showing results 741 to 760 of 1055
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-508.jpg?itok=wm2S_GZb)
Cave in a Cup
Source Institutions
In this activity (page 2 of PDF under GPS: Cave Swallows Activity), learners will model how caves are formed by placing one piece of chalk in a cup of vinegar and another piece in a cup of water, then
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-357.jpg?itok=Px0RkFtI)
Static Cling
Source Institutions
In this activity, learners investigate static electricity using everyday objects at four different stations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-144.jpg?itok=qvl2aHil)
Melts in Your Bag, Not in Your Hand
Source Institutions
In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-636.jpg?itok=rFDEdnGi)
Exploring Properties: Surface Area
Source Institutions
This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-150.jpg?itok=8n6a8Z65)
Heavy Air
Source Institutions
In this activity and/or demonstration, learners illustrate visually and physically that air has weight. Learners balance two equally-inflated balloons hanging from string on a yard stick.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-435.gif?itok=Z_3Ab4Nm)
Pickle Lab
Source Institutions
In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-905.jpg?itok=_vqS2tjZ)
Balloon Drive
Source Institutions
In this challenge, learners make a helium balloon hover in one spot and then move it through an obstacle course using air currents.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-394.jpg?itok=tEXGm-ug)
Shape Up!
Source Institutions
In this activity (pages 8-9), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-312.jpg?itok=lxieXtZa)
Salt Crystal Garden
Source Institutions
In this activity, learners will explore saturated solutions and discover how crystals form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-132.jpg?itok=-yIyfrKD)
How it is Currently Done
Source Institutions
In this quick activity, learners observe how wind creates ocean currents.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-640.png?itok=OTTfWpUH)
Liquid Crystals Interact with Light!
Source Institutions
In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-126.jpg?itok=beaiXXb8)
Atmospheric Collisions
Source Institutions
In this activity/demonstration, learners observe what happens when two ping pong balls are suspended in the air by a hair dryer. Use this activity to demonstrate how rain drops grow by coalescence.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-218.jpg?itok=N0knaCqM)
3...2...1 Puff!
Source Institutions
In this activity, learners build small indoor paper rockets, determine their flight stability, and launch them by blowing air through a drinking straw.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-495.jpg?itok=x79L8Ypr)
Red, White and Blue II Demonstration
Source Institutions
In this chemistry demonstration, learners investigate the rule "likes dissolve likes" by combining three, immiscible liquids to create a colorful density column.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-686.jpg?itok=_Cl37dUL)
Solar Cell Simulation
Source Institutions
In this activity, learners model the flow of energy from the sun as it enters a photovoltaic cell, moves along a wire and powers a load.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-481.png?itok=OSjpHEQT)
Erupting Fizz
Source Institutions
This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-375.jpg?itok=3b3JOVpp)
Space Stations: Follow the Bouncing Ball!
Source Institutions
In this activity, learners predict whether a ball on Earth or a ball on the Moon bounces higher when dropped and why.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-199.jpg?itok=zjdZ7GRJ)
Squishy Soil
Source Institutions
In this activity, learners will investigate the part of soil. Explore how clay, silt, and sand make up the dirt in your background. Activity includes step-by-step instructions and extension ideas.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-786.png?itok=CzqilLxr)
Oboe? Oh, Boy!
Source Institutions
In this activity, learners create a straw oboe to explore sound and pitch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-645.png?itok=7Z5uH56w)
Build a Raft
Source Institutions
In this activity, learners explore density and buoyancy as they design and construct rafts.