Science Worksheet - Fill in the Blanks and True/False

Front

What determines the loudness of sound?

Back

Amplitude

Front

How many chromosomes does a human sperm cell have if the body cell has 72?

Back

36

Front

What is it called when one object blocks light from another?

Back

Eclipse

Front

True or False: When two objects collide, neither changes shape.

Back

False

Front

What type of energy is stored in a magnetic field?

Back

Potential energy

Front

What is the term for the distance between two consecutive peaks of a wave?

Back

Wavelength

Front

What is the unit of frequency?

Back

Hertz (Hz)

Front

What is the relationship between frequency and wavelength in a wave?

Back

They are inversely proportional.

Front

What is the term for the change in direction of a wave when it passes from one medium to another?

Back

Refraction

Front

What is the process called when light bounces off a surface?

Back

Reflection