Physical Science Multiple Choice Questions

What two forces maintain a star's structure?

• Wind and gravity

• Light and sound

• Magnetism and electricity

• Gravity and nuclear fusion

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As stars lose hydrogen fuel, what happens?

• They shrink and turn green

• They cool and change color

• They explode immediately

• They gain mass

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Which spacecraft provided us with most of our solar system information?

• Cassini

• Apollo 11

• Voyager 1 and Voyager 2

• Hubble Telescope

Why were two Voyager probes launched?

• Double the fun

• To have a backup and cover different paths

• To take turns photographing planets

• Because one was a decoy

What elements found on moons are important for life?

• Hydrogen, Carbon, Methane, Nitrogen

• Helium and Neon

• Gold and Silver

• Uranium and Lead

What causes seasons on Earth?

• Earth's distance from the Sun

• Earth's 23.5-degree tilt

• Changing Sun size

• Earth's magnetic field

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Why do equatorial regions have little seasonal change?

• Lack of rain

• Same sunlight angle year-round

• Tilted orbit

• Proximity to mountains

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What is Firefly Aerospace?

• NASA program

• A private space company in Austin, TX

• A farming innovation lab

• A satellite company in Canada

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What is Firefly's "Blue Ghost" designed to do?

• Destroy asteroids

• Drill the Moon’s surface and collect samples

• Visit Mars

• Return astronauts from the ISS

How could competition between Firefly Aerospace and SpaceX be positive?

• SpaceX would shut down

• Innovation would increase

• Rockets would get slower

• Space programs would disappear

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