Stars: Balls of Hot Gas (Part 2)

What You'll Learn

Stars are massive balls of hot gas that produce light and heat through nuclear fusion. Our sun is a medium-sized star that provides the energy needed for life on Earth.

Key Words

galaxy
star
planet

Materials Needed

flashlight
ball (Earth)
small ball (moon)
dark room
paper plate

Safety First

Use materials only as directed in the experiment.
Keep small objects away from young children.
Work in a well-ventilated area when using vinegar or other strong-smelling substances.

Steps

Step 1 — Read

Read and learn: Stars are massive balls of hot gas that produce light and heat through nuclear fusion. Our sun is a medium-sized star that provides the energy needed for life on Earth.

Step 2 — Do

Create a labeled diagram of what you built or observed.

Step 3 — Observe

Draw a picture of what you observe.

Step 4 — Record

Answer the questions based on your data.

Check Your Understanding

Question 1

1 of 3

What is a constellation?