8.P.1.3 Quiz Review

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

• flammability of a piece of paper

• toxicity of a solution

• burning of a candle

• melting point of wax

Which of the following is an example of a chemical property?

• freezing an ice cube

• shape of a basketball

• color of the science table

• reactivity of sodium and water

Which task in the kitchen describes only a physical change?

• baking a cake

• melting butter

• burning a piece of toast

• frying an egg

Tags

NGSS.MS-PS1-4

Which part of digestion is mainly a chemical change?

• teeth break food into smaller pieces

• throat muscles push food down the esophagus to the stomach

• stomach acids dissolving food into nutrients

• intestinal cells transport nutrients into the blood

Tags

NGSS.MS-PS1-5

What do bubbles most likely indicate in a chemical reaction?

• gas formation

• phase change

• temperature change

• precipitate formation

Tags

NGSS.MS-PS1-2

Students performed an investigation on how aluminum cans taken to a recycle center were able to be reused. When the aluminum can is crushed, it undergoes which type of change?

• a physical change because the can is heated

• a chemical change because new metal is formed

• a physical change because the material remains the same

• a chemical change because the old aluminum can is changed into a new aluminum can

Tags

NGSS.MS-PS1-2

Which is the best evidence of a chemical change occurring when bread is baked?

• The bread is warm and soft.

• Steam rises from the bread after it is baked.

• The dough rises during baking, and its texture changes.

• The loaf of bread appears exactly the same before and after baking.

Tags

NGSS.MS-PS1-2

Which shows one example of a physical change and one example of a chemical change?

• boiling water and melting wax

• rusting iron and baking a cake

• dissolving powder and shredding paper

• freezing water and burning coal

Tags

NGSS.MS-PS1-5

Which of the following correctly classifies the physical property and chemical property?

• Melting point is a physical property; freezing point is a chemical property.

• Solubility is a physical property; flammability is a chemical property.

• Shape is a physical property; color is a chemical property.

• Reactivity is a physical property; phase of matter is a chemical property.

Which of these must occur when a substance goes through a chemical change?

• The substance gets larger.

• The substance changes phases.

• The substance changes shape.

• The substance forms a new substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5