24-25 Midterm Review

Front

What happens to powdered sugar when it is mixed with moist fruit?

Back

The sugar dissolves in the moisture on the fruit.

Front

What causes water droplets to form on the outside of a cold glass?

Back

The water vapor in the air changes to a liquid when it touches the cold glass.

Front

What force causes objects to fall to the ground?

Back

Gravity.

Front

What is the reason we see the Sun move across the sky during the day?

Back

The rotation of Earth on its axis.

Front

Why are wires carrying electricity covered with plastic?

Back

Plastic is a good insulator.

Front

What is evaporation?

Back

The process by which liquid water turns into water vapor.

Front

What is condensation?

Back

The process by which water vapor turns into liquid water.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is an insulator?

Back

A material that does not allow electricity or heat to pass through easily.

Front

What is the role of gravity in our daily lives?

Back

Gravity pulls objects toward the Earth, keeping us grounded.