Semester 1 Final exam review 2024 part 1

Front

What are the three basic parts of an atom?

Back

Protons, neutrons, electrons.

Front

In a lemonade mixture, what is the solute?

Back

Sugar and lemon juice.

Front

What type of change is folding origami?

Back

Physical Change.

Front

Which type of electromagnetic radiation has a longer wavelength: infrared or ultraviolet?

Back

Infrared.

Front

What does it mean when a measurement is repeatable and consistent?

Back

It is said to have high precision.

Front

Define an atom.

Back

The smallest unit of matter that retains the properties of an element.

Front

What is a solute?

Back

A substance that is dissolved in a solution.

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 wavelength?

Back

The distance between successive crests of a wave, typically used in the context of electromagnetic waves.

Front

What is the definition of precision in measurements?

Back

Precision refers to the closeness of two or more measurements to each other.