Stars

2

Ch.8 Lesson 5Stars

• ( Objectives )• The student be able to :• 1-Explore and observe what stars look

like in the night sky?• 2-Define stars and understand that

they are far away and too numerous to count.

• 3-Define and discuss constellations.

(Vocabulary):StarConstellation

3

Ch.8 Lesson 5Stars

• ( What are Stars ?• is a hot ball of

gases.• they make their

own light and heat.• They look tiny because they

are so far away.• The biggest stars are much

bigger than our closest star, the Sun.

• Stars are always in the sky.

(Vocabulary):StarConstellation

Star

4

Ch.8 Lesson 5Stars

• Stars seem to move from east to west as Earth rotates.

• There are too many stars to count!

• Scientists look at them through tools called telescopes.

(Vocabulary):StarConstellation

5

Ch.8 Lesson 5Stars

• Stars may have different sizes and brightness.

• They may look bright because they are bigger or hotter than other stars near them.

• Stars also look bright when they are closer to Earth.

• Stars have different colors.• The hottest stars are blue.• The coolest stars are red.•

(Vocabulary):StarConstellation

6

Ch.8 Lesson 5Stars

• ( What are Constellations ?

•

is a star pattern that makes a picture.

(Vocabulary):StarConstellation

Constellation

7

Ch.8 Lesson 5Stars

• People gave some constellations names.

• Constellations are named after animals, objects, and people from old stories.(Vocabulary):

StarConstellation

8

Ch.8 Lesson 5Stars

• looks like a scorpion

• named after a queen from old Greek.

• They shaped like tools that hold water.

(Vocabulary):StarConstellation

Scorpius

Cassiopeia

Big Dipper and Little

Dipper

9

Ch.8 Lesson 5Stars

( Check for Understanding ?1-Why do stars look brighter than others ?2-What can you use to see objects in the night sky more clearly ?3-What is a constellation ?

(Vocabulary):StarConstellation