Science Chapter 13 Vocabulary

Question 1

rotate

Answer 1

To turn on an axis. Earth rotates.

Question 2

axis

Answer 2

An imaginary line that goes through the center of an object. Earth turns on its axis.

Question 3

revolve

Answer 3

To travel in a circular path. Earth revolves around the sun.

Question 4

orbit

Answer 4

The circular path that something takes. Earth’s orbit around the sun is almost a perfect circle.

Question 5

equator

Answer 5

An imaginary line that goes around the middle of a planet.

Question 6

moon

Answer 6

A natural body that revolves around a planet

Question 7

moon phase

Answer 7

There are eight of them. They describe how the shadows fall on the moon as it revolves around the Earth.

Question 8

crater

Answer 8

A bowl-shaped impression left over from something hitting something else. Example: The moon is covered in craters.

Question 9

eclipse

Answer 9

When one object in space passes through the shadow of another object in space

Question 10

star

Answer 10

The sun is a star, a huge ball of very hot gas in space.

Question 11

solar system

Answer 11

It is made up of a stars and all the planets and other objects that revolve around that star.

Question 12

universe

Answer 12

Everything that exist all the stars , planet,dust gases ,and energy

Question 13

galaxy

Answer 13

It is gas, dust , and a group of stars including any objects orbits around the stars.