Unit 13

The states of matter differ in many ways, including shape and volume. Which state of matter does this image show?

• solid

• liquid

• gas

• bubbles

Tags

NGSS.MS-PS1-4

Which of these statements about matter is true?

• When matter changes state; its mass changes

• When matter changes state, its mass stays the same

• When matter changes state; its boiling point may also change

• When matter changes state, the space between particles in the matter stays the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Changes in one or more substances caused by a reaction that form new and different substances.

• Physical change

• Chemical change

• Volume change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The state of matter in which a substance has a definite shape and a definite volume.

• Solid

• Liquid

• Gas

• Matter

Tags

NGSS.MS-PS1-4

Adding food coloring to water creates a solution. Which of these is a true of all solutions?

• They are all liquids or gases.

• The parts are evenly mixed.

• They all include water.

Every atom has a center called the nucleus. The nucleus has a positive charge. Which particles are found in the nucleus?

• neutrons only

• protons only

• electrons and protons

• neutrons and protons

This tool can separate what type of mixture?

• a solution of two solids

• a mixture of rocks and sand

• a mixture of particles of different sizes

• a mixture of magnetic and nonmagnetic objects

Tags

NGSS.MS-PS2-3

Which statement is true?

• Water is a molecule and hydrogen peroxide is an atom

• Water is a atom, and hydrogen peroxide is a molecule

• The two chemicals have different kinds of elements in their molecules

• The two chemicals have different kinds of atoms in their molecules

Tags

NGSS.MS-PS1-1

Which of these statements about energy is true?

• Energy can be created or destroyed.

• Energy can only be transferred or transformed.

• Energy is always lost in a system.

• Energy is only found in living organisms.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the primary function of chlorophyll in plants?

• To absorb water

• To absorb sunlight

• To absorb nutrients

• To absorb carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3