Chemical/Physical Change Review

Which example shows a new substance being formed?

• candle burning

• shoelace being tied

• pipe being cut in half

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In which can the origional substances involved in the changed most likely be recovered?

• piece of iron rusting

• pan of cookies baking

• piece of wood burning

• container of juice freezing

Tags

NGSS.MS-PS1-2

What change occurs to liquid water at 0 degrees Celsius/32 degrees Fahrenheit?

• reaches boiling point and becomes a gas

• reaches boiling point and becomes a solid

• reaches it freezing point and becomes a gas

• reaches its freezing point and becomes a solid

Tags

NGSS.MS-PS1-4

What changes occur when an ice cube is heated to a temperature above 100 degrees Celsius?

• The ice cube will change from a liquid to a solid.

• ice cube change from gas to liquid

• ice cube change from solid to liquid to gas

Tags

NGSS.MS-PS1-4

Which best describes why deflating the air from a basketball is an example of a physical change?

• shape is changed

• color is changed

• size is changed

A piece of wood is sawed into several small pieces.. This is an example of what kind of change?

• physcial

• chemical

• electrical

• mechanical

The first step in the water cycle is evaporation. What gives water the energy to evaporate?

• sunlight

• wind

• clouds

Tags

NGSS.MS-ESS2-4

Which property of sugar remains after sugar is dissolved in water?

• color

• taste

• shape

Tags

NGSS.MS-PS1-2

Which action causes a chemical change?

• leaves dropping from tree

• leaves blowing in wind

• leaves burned in fire

• leaves crushed into pieces

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Ruth left a wax candle in her car for several hours on a warm day. Which describes the change in the candle Ruth most likely observed?

• candle changed shape

• mass of candle wax increased

• mass of candle wax decreased

• candle changed into new substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4