3rd Grade - Solar System

Question 1

What are the inner planets?

Answer 1

Mercury, Venus, Earth, Mars

Question 2

What are the outer planets?

Answer 2

Jupiter, Saturn, Uranus, Neptune, Pluto

Question 3

Which planet is a dwarf planet?

Answer 3

Pluto

Question 4

Explain why your shadow changes at different times of the day.

Answer 4

The Earth is always rotating. Which makes the sun’s light come from a different part of the sky. This makes your shadow move and change in length.

Question 5

Compare Earth to Saturn - show similarities and differences - Size?
Solid or Gas?
Order from Sun. Any other interesting facts?

Answer 5

Earthy is Rocky. Saturn is Gaseous.
Earth is closer 3rd planet from Sun. Saturn is 6th.
Saturn has rings. Earth has no rings.
Both have moons.

Question 6

A sun and all the objects that move around it

Answer 6

Solar System

Question 7

One complete trip around the sun

Answer 7

Revolution

Question 8

A large solar system object that orbits the sun

Answer 8

Planet

Question 9

An object in space that produces its own heat and light

Answer 9

Star

Question 10

The force that pulls objects toward each other

Answer 10

Gravity

Question 11

The only known location for life in the solar system

Answer 11

Earth

Question 12

The path that one object in space takes around another object in space

Answer 12

Orbit

Question 13

A natural satellite that orbits a planet

Answer 13

Moon

Question 14

The spinning of an object on its axis

Answer 14

Rotation

Question 15

The group of rocks that separates the inner from the outer planets.

Answer 15

Asteroid Belt

Question 16

Why is it colder at night?

Answer 16

The Earth’s rotation and the way it turns away from the Sun’s light and heat at night

Question 17

How long does it take for the Moon to Revolve around the Earth?

Answer 17

One Month

Question 18

How long does it take for the Earth to revolve around the sun?

Answer 18

One Year

Question 19

How long does it take for the Earth to rotate on its axis?

Answer 19

One day (24 hours)

Question 20

24 hours to make one rotation on Earth’s _____

Answer 20

Axis. (24 hours in a day)

Question 21

365 days to make one revolution around the ____

Answer 21

Sun (365 days in a year)

Question 22

The ______ revolves around the Earth in a month.

Answer 22

Moon - 30 Days in a Month

Question 23

The word revolution is longer than the word rotation

Answer 23

Same with the amount of time it takes to complete one.

Question 24

What are the phases of the Moon?

Answer 24

Full, Crescent, New, Gibbous

Question 25

Name the planets from the sun

Answer 25

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto