Science : Chapter 21

What is a comet made of ?

• Ice, dust, rocky material

• Metal, gas, and rocks
• Water, sand, and salt
• Plastic, paper, and glass

The time it takes for an object to orbit the sun is called

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which planet is the closest planet to the sun ?

• Venus
• Earth
• Mars
• Mercury

Mercury is hotter then Venus

• True

• False

What is one of Jupiter's famous moons

Neptune is the third outer planet

• true

• false

Tags

NGSS.MS-ESS1-3

Is Pluto a planet

• Yes

• No

What is a meteorite ?

• A meteorite is a solid piece of debris from space that survives its passage through the Earth's atmosphere and lands on the Earth's surface.
• A meteorite is a type of volcanic rock found on Earth's surface.
• A meteorite is a man-made satellite orbiting the Earth.
• A meteorite is a type of cloud formation in the Earth's atmosphere.

How many moons does Jupiter have ?

• 12 - 95

• 63 - 50

• 80 - 95

• 45 - 16

What makes a dwarf planet

• A dwarf planet orbits the sun, it has enough mass and gravity to form a sphere, and has a object orbiting it

• A dwarf planet is a comet passing through the solar system
• A dwarf planet is a moon orbiting a gas giant
• A dwarf planet is a star with a small size