Filters: Your search found 4 results.
Topics/Subjects:
Motion and forces  
SMD Forum - Primary:
Earth Science  
Learning Time:
10 to 30 minutes  
Sort by:
Per page:

Now showing results 1-4 of 4

In this demonstration, evidence of the Earth's rotation is observed. A tripod, swiveling desk chair, fishing line and pendulum bob (e.g., fishing weight or plumb bob) are required for the demonstration. This resource is from PUMAS - Practical Uses... (View More)

The force of gravity is the focus of this demonstration using a ruler, string and a paper clip. Students observe that the Earth's gravity is always downward toward the center of the Earth. The resource is part of the teacher's guide accompanying the... (View More)

Keywords: Gravity

Students understand how satellites are placed in orbit by launching marbles into space, using two plastic rulers and clay. They describe the forces that determine the trajectory of flight. The resource is part of the teacher's guide accompanying the... (View More)

Keywords: Gravity

In the state of Maryland, a local politician once claimed that sea level is rising because there are too many people putting boats on the open ocean. Could that result in a significant sea level rise, perhaps even destroy low-lying nations such as... (View More)

Audience: High school
Materials Cost: Free per student
1