Movement in space

Which planet has the strongest pull from the Sun's gravity?

• Earth

• Venus

• Mars

• Mercury

What is the average speed of Mercury around the Sun?

• 170,000 km/h

• 50,000 km/h

• 100,000 km/h

• 200,000 km/h

What causes air resistance on Earth?

• Water particles

• Particles in the air

• Magnetic force

• Gravity

What is the main force acting on the planets in space?

• Air resistance

• Friction

• Magnetic force

• Gravity

What is the speed of the Juno probe in space as it passed Jupiter?

• 266,000 km/h

• 300,000 km/h

• 200,000 km/h

• 100,000 km/h