Chapter 8 - Lesson 3

Question 1

a solar system is a system made up of

Answer 1

a star and the other objects that move around it

Question 2

a planet is

Answer 2

a large ball of gas or rock that travels around the sun

Question 3

There are __ planets in our solar system

Answer 3

8

Question 4

Name the planets

Answer 4

1. Mercury
2. Venus
3. Earth
4. Mars
5. Jupiter
6. Saturn
7. Uranus
8. Neptune

Question 5

All planets in our solar system orbits

Answer 5

the sun

Question 6

The earth takes ____ days to make one orbit around the sun

Answer 6

365

Question 7

Planets that take longer to orbit the sun than the earth are

Answer 7

further from the Sun than Earth (the further you are from the sun, the longer it takes to complete 1 orbit)

Question 8

The Inner planets are

Answer 8

Mercury, Venus, Earth and Mars

Question 9

The outer planets are

Answer 9

Jupiter, Saturn, Uranus, Neptune

Question 10

The inner planets are warmer than the outer planets because

Answer 10

they are closer to the sun

Question 11

The largest planet is

Answer 11

Jupiter

Question 12

The planet with thousands of rings is

Answer 12

Saturn

Question 13

The hottest planet is

Answer 13

Venus

Question 14

The only planet with oxygen, liquid water and living things is

Answer 14

Earth

Question 15

Mars is called the Red Planet because it has

Answer 15

reddish-brown soil

Question 16

Uranus is called the

Answer 16

sideways planet because it rotates on its side

Question 17

Neptune is more than ____ miles from Earth

Answer 17

2 billion

Question 18

What special tools do we use to study the planets

Answer 18

telescope

Question 19

A telescope makes things that are far away look

Answer 19

bigger and closer

Question 20

What other tool do we use to study planets

Answer 20

space probe. It goes into space, takes pictures and some of them land on the planets