These contain only one kind of atom. 

• element 
• compound 
• mixture 
• water 

Tags

NGSS.MS-PS1-1

Which is the best description of an element?

• A substance that cannot be broken down into simpler substances

• A collection of atoms that have different abilities when joined together

• A man-made mineral

• A mixture of substances

What is Solubility?

• If something dissolves in water

• If something sinks in water

• If something floats in water

• None of the above

What will allow more solute to be dissolved in a solvent.

• adding more solute
• stiring
• cooling solution
• heat

Tags

NGSS.HS-PS1-5

Which of the following usually makes a substance dissolve faster in a solvent?

• agitating the solution
• increasing the particle size of the solute
• lowering the temperature
• decreasing the number of particles

Select the answer choices that describe a gas.

• particles vibrate in place

• particles have the most energy

• particles are tightly bonded

• no definite shape, no definite volume

How many students like vanilla and chocolate?

• 8

• 32

• 30

• 28

Jamie weighs a glass of water and observes its weight to be 12 ounces. Jamie then adds 6 ice cubes to the glass of water. Each ice cube weighs one ounce. After all of the ice cubes have melted, what will be theapproximate weight of the glass of water?

• 6 
• 12 
• 18 ounces

Tags

NGSS.MS-PS1-5

When a substance breaks evenly in a liquid, and disappears, it __________.

• Heats

• Freezes

• Dissolves

If you had a mixture of rocks and sand and needed to separate them what method would work best?

• 
• 
• 
• 

Tags

NGSS.3-5-ETS1-2

NGSS.5-PS1-3