Semester 1 Review

Front

What happens when oil and water are mixed and left to sit?

Back

The oil is less dense than water and cannot dissolve in water.

Front

Why is a lake considered matter?

Back

It has mass and volume.

Front

What is the term for the number of complete waves that pass a given point in a certain amount of time?

Back

Frequency.

Front

When it is Summer in the Southern Hemisphere, what season is it in the Northern Hemisphere?

Back

Winter.

Front

What is density?

Back

Density is the mass of an object divided by its volume.

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

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 the definition of a wave?

Back

A wave is a disturbance that transfers energy through space or matter.

Front

What is amplitude in a wave?

Back

Amplitude is the maximum distance that the particles of a medium move from their rest position when a wave passes.

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive crests or troughs in a wave.