69

Lesson 69 of 84 ยท Space

Experiment

Asteroids and Comets (Part 4)

What You'll Learn

Asteroids are rocky objects orbiting the sun, mostly found in the asteroid belt between Mars and Jupiter. Comets are icy objects that develop tails when they approach the sun.

Key Words

  • asteroid
  • comet
  • solar system

Materials Needed

  • compass
  • black paper
  • foil
  • scissors
  • flashlight
  • ball (Earth)

Safety First

  • Wash hands after handling materials.
  • Be careful with scissors โ€” ask an adult for help if needed.
  • Do not look directly at the sun or bright lights.

Steps

Step 1 โ€” Read

Review the background information on Space before starting.

Step 2 โ€” Do

Track the moon's phase each night for two weeks. Draw what you see and identify the pattern.

Step 3 โ€” Observe

Watch carefully for any changes and note the time.

Step 4 โ€” Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What is the closest star to Earth?