Science QA #2 Review

Front

What is friction?

Back

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

Front

What type of surface creates more friction?

Back

A rough surface creates more friction compared to a smooth surface.

Front

What happens to light when it passes through a camera lens?

Back

Light is refracted by the lens, which flips and decreases the size of the image.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is a circuit?

Back

A circuit is a closed loop that allows electricity to flow and power devices.

Front

How can you turn on specific lights in a circuit?

Back

You can close certain switches while leaving others open to control which lights turn on.

Front

What is a property that cannot be used to identify salt?

Back

Magnetic is a property that cannot be used to identify salt.

Front

What are some properties used to identify salt?

Back

Properties include solubility, conductivity, and being solid.

Front

What causes a ball to come to a stop when kicked?

Back

Friction is most responsible for the ball coming to a stop.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward each other, such as the Earth pulling objects toward its center.