Changes of Matter

Which term describes a substance that is dissolved in another substance?

• compound
• mass
• solute
• solvent

Through what process do atoms come together and form molecules

• gluing
• mixing
• vibrating
• chemical bonding

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

Which best describes the result when two elements combine to form a new substance?

• mixture
• chemical change
• new element
• physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Mercury and gold are both metals, Unlike gold, mercury cannot be used to make jewelry because it is a liquid at room temperature. The difference in the state of matter of the two metals is an example of which type of property?

• physical
• chemical
• electrical
• nuclear

Your teacher mixes together two clear liquid. Together, the two liquids bubble and turn blue. You just witnessed a ...

• transfer of energy
• physical reaction
• force
• chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Your teacher sets out two shallow cups. She fills one with freshwater and one with saltwater. Two days later, the water has evaporated and you're left with the setup as shown. What would you conclude?

• Saltwater does not evaporate.
• Saltwater evaporates completely.
• Salt from saltwater doesn't evaporate.
• Water doesn't evaporate

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

You put out two glasses of water, one warm and one ice-cold. After 30 minutes, your check them and find that the cold glass has beads of water coating the outside. Where did that water come from?

• the air
• inside the glass
• the ice
• the water

Tags

NGSS.MS-ESS2-4

You experiment with kitchen chemistry: You pour some water into a jar and add white vinegar, water, salt, and powdered sugar. You shake it up and the mixture looks the same as water. What type of mixture do you have?

• solvent
• solute
• solution
• dissolution

You can't decide what to have for breakfast. So you put four kinds of cereal in a bowl, add some banana slices, and stir it up. What would you call the contents of the bowl?

• a compound
• a mixture
• a solution
• an element

What is occurring with this ice cream?

• transfer of energy
• chemical reaction
• force
• physical reaction

Tags

NGSS.MS-PS1-4