Unit 2 test

Which of the following is NOT a state of matter?

• Solid

• Liquid

• Gas

• Energy

What happens to particles in a substance when it changes from a solid to a liquid?

• They move faster and further apart

• They stop moving completely

• They become smaller

• They change color

Tags

NGSS.MS-PS1-4

What is a measure of a fluid's resistance to flow?

• Density

• Viscosity

• Smoothness

• Hardness

Which of these is a chemical change?

• Cutting paper

• Melting ice

• Rusting iron

• Grinding coffee beans

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Oil and water are __________. They do not mix.

• Best friends

• Immiscible
• Cool
• Saturated

The letter "H" stands for what element?

• Carbon

• Hot sauce

• Hydrogen

• Oxygen

What factor does NOT affect the rate at which a substance dissolves?

• Temperature

• Particle size

• Color of the solution

• Amount of stirring

The chemical formula for water is

• CO2

• H2O

• C4

• R2D2

Tags

NGSS.MS-PS1-1

In a solution, what is the substance being dissolved called?

• Solvent

• Solute

• Solution

• Suspension

What is a mixture?

• Two or more substances that

  are chemically bonded

• Two or more substances that are NOT chemically bonded

• A single substance with uniform properties

• A solution where one substance dissolves in another