Search Results
Showing results 681 to 700 of 978
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-521.jpg?itok=SUnstjXd)
Bone Basics
Source Institutions
This is an activity (on page 2 of the PDF under Bone Regrowth Activity) about the two main components of bone - collagen and minerals (like calcium) - and how they each contribute to its flexibility a
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-316.png?itok=qy1SHWoi)
Drops on a Penny
Source Institutions
In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-197.jpg?itok=ZQavA-yv)
Shake It Up!
Source Institutions
Learners drop a magnet through a coil of wire to create electric current in a circuit. LEDs in the circuit allow learners to detect the direction of current flow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-915.jpg?itok=4n7FfVEd)
Make Your Own Barometer
Source Institutions
In this weather activity (page 10 of the PDF), learners will demonstrate the changes in atmospheric pressure by constructing their own barometer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-290.png?itok=01QILuIJ)
Number of Mentos vs. Height: Soda Geyser Series #5
Source Institutions
In this activity, learners conduct a controlled experiment to examine how many Mentos are needed to make the tallest possible soda geyser.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-285.jpg?itok=Kc9ad8IT)
Make a Comet Model and Eat It!
Source Institutions
In this activity, learners build models of comets, using edible materials, to learn about comets' structure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-291.jpg?itok=_C1Pw06G)
Soda Brand vs. Height Experiment: Soda Geyser Series #4
Source Institutions
In this activity, learners conduct a controlled experiment to examine which brand of soda makes the best (highest) soda geyser.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-421.jpg?itok=1YAxL9kQ)
Don't Throw it in the Garbage
Source Institutions
In this activity, learners discover why only some types of plastic can be recycled.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-252.gif?itok=AjtMCkEG)
Sugar/Salt Crystals
Source Institutions
In this chemistry activity (page 1 of the PDF), learners will observe a physical change.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-727.jpg?itok=l145z5xT)
Bendy Bones
Source Institutions
In this activity (on pages 19-24 of PDF), learners soak chicken bones or eggshells in vinegar for several days.
![](/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-000-000-003-419.jpg?itok=vJDCiR4j)
Stretching Wires
Source Institutions
In this activity, learners determine the elastic and plastic properties of different types of metal wires.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-698.jpg?itok=JMZVHQjJ)
Repulsive Grape: Diamagnetism
Source Institutions
Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-673.jpg?itok=Ph0HJGFs)
Gieant Sieve Sorter
Source Institutions
This Exploratorium activity explores size and scale. Through four levels of screen sizes, learners can sort out objects of different sizes.
![](/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-000-000-003-321.jpg?itok=x2LfwNeA)
Crushing Test
Source Institutions
In this activity, learners design a crushing test and discover that identifying and controlling the variables may be difficult.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-797.gif?itok=9uSd_B4Q)
Paper Tape Motion Timer
Source Institutions
In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.).
![](/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.