starconstellation

What are stars?

Nearest Stars to Earth

Light-Years0 2 3 4 5 6 7 8 9 10 11 121

Earth

Sun

Alpha Centauri4.2 light-years Sirius A

8.6 light-years

Ross 1549.5 light-years Procyon A

11.4 light-years

Lesson 4 a

What are constellations?

Northern Hemisphere Southern Hemisphere Lesson 4 b

What is the Sun like?

Here you can see parts of the Sun that you cannot see from Earth.

Lesson 4 c

What are stars?

Main Idea

Stars are hot, glowing spheres of gases that give off energy.

Main Idea Review

A glowing sphere of gases that gives off heat and light energy is a ____________.

A ____________ is a group of stars that suggest a figure or design.

constellation

Vocabulary

star

Vocabulary Review

Fact and Opinion

Are constellations useful to people today? State your opinion. Support your opinion with at least one fact.

Constellations can be used to

find your direction at

night.

Constellations are useful.

End of Lesson

G.O. Review

Vocabulary a

Vocabulary b