Forces | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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A student pushes a trolley. What type of force is the push?

A direct (contact) force

What happens when two north poles of magnets are brought close together?

They repel (push apart)

Two balloons are both rubbed with the same wool cloth. What happens when they are brought close together?

They repel — both carry the same type of charge

Why does a compass needle point north?

Earth has a magnetic field caused by its iron core and the compass needle aligns with it

A book rests on a table. The table pushes back up on the book. What is the name of this contact force?

The normal force

When a ball rolls across a carpet and slows down, which direct force is acting on it?

Friction

A magnet pulls a nail toward it without touching it. Is this a direct or indirect force?

Indirect (non-contact) force

After rubbing a perspex rod (now positive) with wool, what charge does the wool carry?

Negative charge

A perspex rod is rubbed with wool and becomes positively charged. What moved — protons or electrons?

Electrons — they moved from the perspex rod onto the wool

A rope connecting a boat to a dock is pulled tight. What is the name of the force acting along the rope?

Tension

Name ONE material that is strongly attracted to a magnet.

Iron (or steel / nickel / cobalt)

What happens when a north pole and a south pole are brought close together?

They attract (pull toward each other)

Is gravity a direct or indirect force? Explain why.

Indirect — gravity can pull objects toward each other without them touching

A student holds a magnet near a pile of copper coins. What will happen and why?

Nothing — copper is not a magnetic material so it is not attracted to the magnet

What is a 'field' in science?

The region around an object where its force can be felt by other objects

What is the difference between mass and weight?

Mass is the amount of matter in an object (kg); weight is the gravitational force pulling on that mass (N)

What do we call a force where two objects must be touching for the force to act?

A direct (contact) force

Name TWO examples of direct (contact) forces.

Any two of: friction, tension, normal force, compression, applied push or pull

State the rule for electrostatic charges in one sentence.

Like charges repel; unlike charges attract

A student has a mass of 50 kg. What is their mass on the Moon?

50 kg — mass does not change with location

What do we call a force that can push or pull an object WITHOUT touching it?

An indirect (non-contact) force

Name the THREE indirect (non-contact) forces studied in Stage 4 science.

Gravity, magnetism, and electrostatic force

A student weighs 490 N on Earth. Gravity on the Moon is about 1/6 of Earth's. What is their weight on the Moon?

Approximately 82 N

State the rule for magnetic poles in one sentence.

Like poles repel; unlike poles attract

Ignoring air resistance, which falls faster: a golf ball or a bowling ball dropped from the same height?

Neither — they fall at the same rate (all objects fall at the same rate under gravity)

What property must objects have for gravity to act between them?

Mass