Science Revision

A force is a _____

What is an example of a tension force?

• a desk pushed across a room

• a person walking

• a spring being released

• a person jumping

What are the two factors that FRICTION depends upon?

• Mass and Strength of the force pushing the two surfaces together

• Mass and Distance

• Type of surface and Strength of the force pushing the two surfaces together

• Type of surface and Distance apart

Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?

• The ribbon will move to the left and group A will win the tug-of-war.
• The ribbon will move to the right and group B will win the tug-of-war.

Which two of these forces act on parachutes?

• Air Resistance

• Gravity

• Thrust

• Kinetic Energy

Which type of force is the cat using on the pizza box?

• push

• pull

• gravity

• friction

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

Wylie Coyote is not trying to skate, so what force is helping him move so gracefully?

• Gravity

• Magnetism

• Friction

• energy

What TWO process take place in the stomach?

• Churning of the food

• Addition of acid

• Chewing

• Absorption of water

After the stomach where does the digested food go next?

• Into the oesophagus

• Into the large intestine

• Into the small intestine

• into the liver