Module Pretest: Classification and States of Matter

Matter is made up of motionless particles.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

Each of the following is a state of matter EXCEPT .

• solid

• gas

• liquid

• density

Tags

NGSS.MS-PS1-4

Kinetic energy is the _____ of motion.

• temperature

• energy
• heat

• state

The model shown represents one molecule of hydrazine, a chemical in rocket fuel. The black spheres represent nitrogen atoms, and the white spheres represent hydrogen atoms. Based on the model, what is the atomic composition of hydrazine?

• 1 atom of nitrogen and 1 atom of hydrogen

• 4 atoms of nitrogen and 2 atoms of hydrogen

• 2 atoms of nitrogen and 2 atoms of hydrogen

• 2 atoms of nitrogen and 4 atoms of hydrogen

Tags

NGSS.MS-PS1-1

A student drew this molecular model to represent liquid water at 10°C.

How should the student change the model to best represent the water at 20°C?

• Show the water molecules packed more tightly together.

• Show some of the chemical bonds in the water molecules breaking.

• Show some of the water molecules forming chemical bonds with each other.

• Show the water molecules with longer arrows to represent an increase in motion.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5