CBA 2 Review

Front

What is the best material for grill grates?

Back

Iron is the best material for grill grates because it can withstand high temperatures and is durable.

Front

What type of force is used to move a school bag?

Back

A pull force is used to move a school bag.

Front

What does a circuit need for a light bulb to shine?

Back

A circuit needs a power source, wires, and a bulb for the light bulb to shine.

Front

What question was Pham investigating with her experiment?

Back

Pham was investigating how different surfaces affect how far the block is pulled.

Front

How does gravity affect a tennis ball?

Back

Gravity pulls the tennis ball down.

Front

What is a circuit?

Back

A circuit is a closed path through which electric current flows.

Front

What is force?

Back

Force is a push or pull that can change the motion of an object.

Front

What is the role of a power source in a circuit?

Back

The power source provides the energy needed for the circuit to function.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it is in contact with another surface.

Front

What is the difference between push and pull forces?

Back

A push force moves an object away, while a pull force brings an object closer.