Gravity Quiz

What is the invisible force that pulls objects together?

• Magnetism

• Electricity

• Gravity

• Friction

What is the unit used to measure the force of gravity?

• Kilograms

• Watts

• Meters

• Newtons

What determines the strength of gravitational pull between two objects?

• Speed of the objects

• Mass and distance apart

• Temperature of the objects

• Color of the objects

Which celestial body has the biggest mass in our solar system?

• Earth

• Mars

• Sun

• Moon

What is the force that holds the planets in orbit around the sun?

• Gravity

• Friction

• Pressure

• Magnetism

What is the name of the supermassive object in the middle of the Milky Way that our entire galaxy is orbiting?

• Supernova

• Black Hole

• Quasar

• Pulsar

What force causes tides on Earth?

• Friction

• Centrifugal force

• Gravity

• Magnetic force

What slows down satellites in orbit around the Earth?

• Wind resistance

• Friction from particles in space

• Magnetic interference

• Solar radiation

What did Isaac Newton theorize about the speed of an object to keep it in Earth's orbit?

• The slower the speed, the further the object goes

• The faster the speed, the further the object goes

• The speed has no effect on the orbit

• The speed determines the color of the object

What force keeps the moon orbiting around the Earth?

• Magnetic force

• Friction

• Gravity

• Pressure