Science 3rd Quarter Exam

Milky Way

10

• How long does it take Earth to rotate?

24 hours    

20

• Which planet is the largest/biggest?

Jupiter

30

• What is the temperature on Mars, Uranus, Saturn, Neptune, and Jupiter?

freezing

40

• Which planets are gas planets?

Uranus, Saturn, Jupiter, Neptune

50

• name the planets from the smallest to the biggest

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

Meteorite

10

• Which planet is the hottest?

Venus

20

• Which planet rotates on its side?

Uranus

30

• How many moons does Jupiter have?

67

40

• Define astronomy

• study of stars, planets, and galaxies

50

define asteroid

rocks that orbit the sun

Meteor

10

• Between which two planets do the asteroids orbit?

Mars and Jupiter

20

• Which planet is the smallest?

Mercury

30

• What is the temperature of Venus?

Hottest

40

define meteorite 

a piece of meteor that is found on Earth’s surface

50

define galaxy

• a system consists of billions of stars held together by gravitational attraction

Asteroid

10

• What is the name of our galaxy?

Milky Way

20

• What keeps the planets in orbit around the sun?

gravity

30

• What is the temperature of Mercury?

hot

40

• Which planets are solid?

• Venus, Mars, Mercury, Earth

50

• Name at least 3 types of technologies used to study objects in space.

Robots, camera, telescopes, satellites, rovers, rockets, space shuttle 

Comet

10

• How long does it take Earth to complete one orbit?

365 days

20

How many moons does Mars have?

2

30

• What is the temperature of Earth?

moderate

40

• Which planet does not have an atmosphere?

Mercury

50

Name the planets in the correct order from the Sun. Make sure you capitalize their names.

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