physical science review

Front

What is the relationship between wavelength, frequency, and energy of a wave?

Back

A wave with a large wavelength will have a low frequency and low energy.

Front

Which state of matter has a definite shape?

Back

Solid

Front

What is the process called when a liquid changes to a gas?

Back

Vaporization (evaporation/boiling)

Front

What does the law of conservation of mass state?

Back

The mass of an object remains the same regardless of whether it is whole or in parts.

Front

Which of the following is NOT a mixture?

Back

Lemonade

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What is the boiling point of water at sea level?

Back

100 degrees Celsius (212 degrees Fahrenheit)

Front

What is the freezing point of water?

Back

0 degrees Celsius (32 degrees Fahrenheit)

Front

What is the difference between a solid and a liquid?

Back

A solid has a definite shape and volume, while a liquid has a definite volume but takes the shape of its container.

Front

What is an example of a physical change?

Back

Melting ice.