Physical Science 1st Semester Review

Front

The base unit for volume is the ______?

Back

liter

Front

Which of the following determines the identity of an element?

Back

number of protons

Front

Which state of matter does this picture represent?

Back

Solid

Front

To convert from the base unit to milli you multiply by how many factors of ten?

Back

3

Front

The drops of water that appear on the outside of a cold glass of water on a hot day are an example of what?

Back

Condensation

Front

What is the definition of mass?

Back

Mass is the amount of matter in an object, typically measured in grams or kilograms.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the formula for calculating density?

Back

Density = Mass / Volume

Front

What is the boiling point of water at sea level?

Back

100 degrees Celsius (212 degrees Fahrenheit)

Front

What is the definition of an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.