Outer Space and the Universe

We learn about outer space by (a)   .

• looking up in the sky
• studying rocks on Earth
• using telescopes
• traveling to other planets

What is the main component of stars and other objects in space?

• Hydrogen

• Oxygen

• Carbon

• Iron

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

How far apart are the sun and the Earth?

• 20 meters

• 100 kilometers

• 1 million kilometers

• 150 million kilometers

Tags

NGSS.MS-ESS1-3

Light travels at a speed of (a)   .

• 300,000 kilometers per hour
• 300,000 kilometers per minute
• 300,000 kilometers per second
• 300,000 kilometers per day

What is a light year?

• The distance light travels in a day

• The distance light travels in a month

• The distance light travels in a year

• The distance light travels in a century

How long does it take for light from the nearest star to reach Earth?

• 1 year

• 10 years

• 100 years

• 1,000 years

The Big Dipper is (a)   .

What is the North Star also known as?

• Polaris

• Vega

• Orion

• Cassiopeia

How did Eratosthenes determine that the Earth is round?

• By observing the length of shadows

• By measuring the depth of wells

• By studying the movement of stars

• By traveling around the world

What are the ingredients of water?

• Hydrogen and Oxygen

• Carbon and Nitrogen

• Iron and Silicon

• Helium and Neon

Tags

NGSS.MS-PS1-1