From Gravity to Galaxies - Science Wrap-Up

Which of the following is a non-contact force?

• Friction

• Air Resistance

• Normal

• Push

Match each force to its correct description.

• A force that slows things down when they

• Magnetism

• A force that pulls objects towards each

• Push

• A force between certain metals

• Gravity

• A force that moves an object away

• Friction

If two forces are equal and opposite, they are called ​ (a)   forces.

• balanced
• unbalanced

Label the forces acting in this image.

a

c

d

b

normal force

gravity

friction

applied force

Tags

6-8.AG.7.1

Who wins the bananas?

• Fruit Salad

• Chef

• Kid

• Monkeys

Two people push a trolley in opposite directions. One pushes with 30 N of force, and the other with 20 N. What will happen to the trolley and why?

Choose a real-life example, e.g. riding a bike, kicking a ball, opening a door. Describe all the forces acting on the object and how they affect its motion.

What causes day and night on Earth?

• The Moon orbiting Earth

• Earth's orbit around the Sun

• Earth rotating on its axis

• Earth being tilted a little on its side

How long does it take for the Earth to complete one full rotation on its axis?

• 12 hours

• 24 hours

• 365 days

• 30 days

A year is the time taken for a planet to...

• Rotate on its axis

• Orbit around the sun

• Orbit around Saturn

• Orbit around the moon