Search Results
Showing results 161 to 180 of 279
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-430.jpg?itok=VSnm0N5F)
Paper Cup Anemometer
Source Institutions
In this meteorological activity, learners get to build their very own anemometer (instrument for measuring wind speed) using a paper cup.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-799.jpg?itok=JoRQSckw)
A Crayon Rock Cycle- Metamorphic
Source Institutions
This is part 2 of the three-part "Crayon Rock Cycle" activity and must be done after part 1: Sedimentary Rocks. In this activity, learners explore how metamorphic rocks form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-242.jpg?itok=G7PWtc1G)
Exploring Moisture on the Outside of a Cold Cup
Source Institutions
In this activity, learners explore the relationship between cooling water vapor and condensation. Learners investigate condensation forming on the outside of a cold cup.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-838.png?itok=UjNkfOMo)
Light is Made of Colors
Source Institutions
Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-690.gif?itok=zfwfHtMk)
Fast Rusting
Source Institutions
In this activity, learners conduct an experiment to find out if steel wool will weigh more or less when it is burned. Learners will explore the effects of oxidation and rusting on the steel wool.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-440.gif?itok=N_Ek0prf)
Balloon Rockets
Source Institutions
This is an activity about rockets. Learners will explore how rockets leave Earth's orbit and what it takes to make a launch successful.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-299.png?itok=IFKgxAmT)
Submarine: Lift Bag Lander
Source Institutions
In this activity (on page 4), learners create a submarine using a plastic sandwich bag. This is a fun way to learn about buoyancy and how captured gas can cause objects to float.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-579.jpg?itok=xbaNWE6H)
Vortex
Source Institutions
In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-776.jpg?itok=4Ia5nu69)
Freezing Lakes
Source Institutions
In some parts of the world, lakes freeze during winter. In this activity learners will explore water’s unique properties of freezing and melting, and how these relate to density and temperature.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-928.png?itok=kQUsSHbA)
T. rex Cretaceous Treat
Source Institutions
In this activity, learners make edible T. rex teeth (with adult assistance). The treat is a white and dark chocolate covered banana on a stick.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-078.jpg?itok=xbxst93a)
Hot Stuff!: Investigation #2
Learners test two jars containing hot water, one covered with plastic and one open, for changes in temperature.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-394.gif?itok=3SCajlHq)
What's So Special about Water: Solubility and Density
Source Institutions
In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve some things and not others.
Making An Impact!
Source Institutions
In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-315.jpg?itok=FJqzQi0o)
Expanding Balloon Universe
Source Institutions
In this activity, learners will discover how our universe is continuously expanding.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-489.png?itok=9O_yj1ki)
Evolution in Action: Isolation and Speciation in the Lower Congo River
Source Institutions
In this guided discussion activity, learners watch a video about Central Africa's Lower Congo River, one of the most biologically diverse rivers in the world.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-283.jpg?itok=3n7stoLx)
Supernova Star Maps
Source Institutions
This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-798.jpg?itok=tK0IBtSk)
A Crayon Rock Cycle - Igneous
Source Institutions
This is part 3 of the three-part "Crayon Rock Cycle" activity. Before starting this section, learners must have completed part 1: sedimentary rock and part 2: metamorphic rocks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-141.png?itok=mdeYb63f)
Comet Cratering
Source Institutions
Make impact craters with marbles (or rocks or washers) in a container of flour. Find out what you can learn about your "comets" by the craters they make.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-625.jpg?itok=QKpkhPf3)
Ocean in a Bottle
Source Institutions
In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-057.jpg?itok=X60Mv-na)
Reunite Pangaea
Source Institutions
Learners cut out pictures of continents and attempt to put them together to form Pangaea, the supercontinent present on the Earth approximately 300 million years ago.