81
Lesson 81 of 84 ยท Gravity
ExperimentElectromagnets (Part 3)
What You'll Learn
A force is a push or pull that can change an object's motion, shape, or direction. Forces are measured in Newtons and can act through contact or at a distance.
Key Words
- current
- resistance
- gravity
Materials Needed
- paper clips
- rubber bands
- blocks
- spring scale
- stopwatch
- pencils
Safety First
- Keep small objects away from young children.
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
- Dispose of materials properly after the experiment.
Steps
Step 1 โ Read
Read and learn: A force is a push or pull that can change an object's motion, shape, or direction. Forces are measured in Newtons and can act through contact or at a distance.
Step 2 โ Do
Build your model using the materials provided.
Step 3 โ Observe
Draw a picture of what you observe.
Step 4 โ Record
Answer the questions based on your data.
Check Your Understanding
Question 1
1 of 3What is a fulcrum?
