Gravity and Planet Formation Quiz

What is measured in newtons?

• Volume

• Temperature

• Mass

• Weight

What causes objects to be pulled towards the center of a planet?

• Magnetism

• Friction

• Electromagnetism

• Gravity

What is the gravitational field strength on Earth?

• 25 N/kg

• 15 N/kg

• 4 N/kg

• 10 N/kg

What forms when dust and gas gather in space?

• A star

• A meteor

• A planet

• An asteroid

What are the two gases involved in the formation of the sun?

• Hydrogen and Oxygen

• Oxygen and Nitrogen

• Hydrogen and Helium

• Helium and Argon

What is the force responsible for weight?

• Gravity

• Electricity

• Friction

• Magnetism

What are the primary elements of a star's initial composition?

• Hydrogen and Helium

• Iron and Nickel

• Carbon and Nitrogen

• Oxygen and Silicon

What force makes planets orbit the sun?

• Gravity

• Momentum

• Magnetism

• Electricity

What is gravity's role during the formation of planets?

• Pulls particles together

• Creates light

• Generates heat

• Increases speed

Which is a measure of the amount of matter in an object?

• Mass

• Density

• Weight

• Volume