8th Grade Winter Final Review 2024

Front

The number of protons in the nucleus of an atom is which of the following? (Options: atomic number, isotope, electron cloud, ion)

Back

atomic number

Front

Adding thermal energy to a cup of water can cause the _____

Back

particles to move faster or get farther apart or both

Front

Dry ice is a solid that changes directly to a gas when thermal energy is added. This is an example of ______.

Back

sublimation

Front

A change in the state of matter is caused if enough _____ is added to or removed from an object.

Back

thermal energy

Front

Attractive forces between particles in a sample of matter are strong and pull the particles close together, keeping them in their positions. This is an example of

Back

the solid state of matter

Front

As the space in a container gets smaller, the _____ decreases.

Back

volume

Front

Snow melts after a snowstorm because of the addition of _____: potential energy, speed, thermal energy, snow

Back

thermal energy

Front

Lightning flashes contain which of the following types of matter? plasma, liquid, solid, gas

Back

plasma

Front

Most of the mass of an atom is found in its ____.

Back

nucleus

Front

Which scientific tool would be primarily used by scientists? Options: thermometeres, balances, computers, all of the above

Back

all of the above