Asteroids and Comets

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

outer planets
atmosphere

Steps

Step 1 — Read

Read and 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.

Step 2 — Do

Gather your materials and set up your workspace.

Step 3 — Observe

Watch carefully for any changes and note the time.

Step 4 — Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What is the closest star to Earth?