Science PMA 3 Review

Front

What does an increasing barometer reading indicate about the weather?

Back

Fair weather is approaching.

Front

What happens when two forces act on an object in opposite directions?

Back

The object moves in the direction of the stronger force.

Front

How can you separate glass beads from iron beads?

Back

Use a strong magnet to attract the iron beads.

Front

What are the main components of a galaxy?

Back

Gas, dust, and many stars.

Front

What is a scientific investigation?

Back

A process to answer questions through observation and experimentation.

Front

What is the role of air pressure in weather prediction?

Back

Changes in air pressure can indicate upcoming weather changes.

Front

What is force in physics?

Back

A push or pull that can change the motion of an object.

Front

What is magnetism?

Back

A force that can attract or repel certain materials, like iron.

Front

What is the scientific method?

Back

A systematic approach to inquiry involving observation, hypothesis, experimentation, and conclusion.

Front

What causes metals to rust?

Back

Rusting is caused by a chemical reaction between iron, oxygen, and moisture.