#1
#2
#3
#4
#5
100

A spacecraft that carries special instruments into space

Space Probe

100

Mars is known as the red planet because of the mineral _____ that is found in its soil that rusts.

Iron

100

The name of our galaxy is The _____ Galaxy.

Milkyway

100

The vehicle that takes people and equipment into space.

Space Shuttle 

100

The sun, eight planets, and thousand other bodies make up our ______.

solar system

200

The Sun is a giant sphere of glowing gases called a(n) ________.

star

200

The _______ of a star is the brightness of a star perceived from Earth.

magnitude

200

Scientists believe that the solar system is ____ years old

4.6 billion

200

A spacecraft that stays in space for long periods of time where astronauts can live and conduct experiments.

Space Station

200

Which of the three types of galaxies do we live in?

Spiral Galaxy

300

A(n) ______ is a huge system of stars, dust, and gases in space.

Galaxy

300

Proxima Centauri, the next closest star is located about 4.3 ________ from Earth.

light-years

300

The first stage in the formation of a star is a(n) _______.

protostar

300

_______ are often called "shooting stars" because it is a chunk of matter that enters Earth's atmosphere and is heated by friction with the ai, causing a streak of light.

meteors

300

Neptune's winds reach ______ mph

1,500

400

Which types of “bodies” does our solar system include?

the sun, the 8 planets, their moons, asteroids, comets, and meteors 

400

What are the main gasses that make up the earth’s atmosphere?

Nitrogen, Oxygen, Argon, Carbon Dioxide

400

Name the inner planets. 

Mercury, Venus, Mars, Earth

400

 A(n) _____ has a frozen nucleus and can develop a glowing tail.

comet

400

Name the outer planets. 

Neptune, Jupiter, Uranus, Saturn

500

The gravitational pull of _____ holds objects in the solar system in their orbit.

the sun 

500

The Asteroid belt is located between which two planets?

Mars and Jupiter 

500

Which color stars give off the hottest temperature?

blue

500

Venus is known for the “________ Effect” because of its thick cloud layer and its atmosphere is made of 96% carbon dioxide.

Greenhouse 

500

After traveling through space and entering Earth's atmosphere, _______ strike Earth's surface, often times forming and impact crater.

meteorites

M
e
n
u