Matter

Which of the following is an example of a physical change?

• Burning wood

• Melting ice

• Rusting iron

• Cooking an egg

Tags

NGSS.MS-PS1-4

Which property of matter describes the ability to dissolve in a solvent (liquid)?

• Solubility

• Combustibility

• Reactivity

• Density

According to the law of conservation of matter, what happens to the total mass of reactants and products in a chemical reaction?

• It decreases

• It increases

• It remains the same

• It cannot be determined

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of a heterogeneous mixture?

• Saltwater

• Air

• Orange juice

• Trail mix

What type of reaction releases heat to the surroundings?

• Endothermic reaction

• Exothermic reaction

• Both endothermic and exothermic reactions

• Neither endothermic nor exothermic reactions

A student heats a beaker of water with a hot plate and over time, the water begins to bubble, the volume decreases and vapor is visible. This is an example of a ____________ change.

• Chemical

• Nuclear

• Physical

• Musical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When two liquids are mixed and a solid is formed, the new solid is called a ________________.

• Levitate

• Precipitate

• Palpitate

• Bad date

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This is a __________ change.

• Physical

• Metaphysical

• Chemical

• Logical

Tags

NGSS.MS-PS1-2

Choose the best description below for the image

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

Match the following

• 2C2

• Reactant

  Element

• CH4

• Reactant

  Compound

• CO2

• Product

  Compound

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5