Our Solar System Flashcards

1

Which planet is closest in size to Earth?

Venus
Pluto
Saturn
Jupiter

2

Juipter, Saturn, Uranus, and Neptune are outer planets. Which characteristic do they all have?

they all are gas planets and have at least one moon
they are all made up primarily of silicate rock
they are all smaller than the inner planets
they all have central metallic core

3

Earth is to Planet as Sun is to....

Star
Moon
Meteor
Comet

4

Who was the first human to walk on the Moon?

Neil Armstrong
Sally Ride
Valentina Tereshkova
Yuri A. Gagarin

5

Where does the moon get its light?

from the earth
its natural glow
from the sun
from the gas around it

6

How is Pluto currently classified?

a planet
a dwarf planet
an asteroid
a moon

7

A satellite in space where research is done

space shuttles
Rockets
International Space Station
space probes

8

What it in our solar system?

planets, moons, sun
sun, planets, nebulas
the sun, stars, planets
comets, asteroids, galaxies

9

The large rocks that are mostly between mars and jupiter.

meteorites
meteors
comets
asteriods

10

How long is Earth's orbit or revolution?

One week (7 days)
One day (24 hours)
One year (365 1/4)
One month (30 days)

11

How do scientists gain information about our solar system?

international space station
space probes
the hubble telescope
all the above

12

How long is Earth's rotation?

One day
One week
One year
One month

13

Where is our solar system?

in the andromeda galaxy
in a black hole
in the asteroid belt
in an arm of the milky way galaxy

14

A small, natural satellite that revolves around a planet is a-

Meteor
Moon
Meterorite
Planet

15

What force keeps the planets orbiting the sun?

magnetism
Gravity
friction
kinetic energy

Our Solar System

Questions 15

Our Solar System

Questions 15