Science Big Idea 9

You teacher cuts a piece of wood into 2 pieces.

• The wood changed color and became a new substance

• The wood changed shape and became a new substance.

• The wood changed shape, but is still the same substance.

An ice cube has been sitting on a kitchen counter for a several minutes. What happens to the ice?

• it is melting.

• it is freezing

• it is dissolving

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NGSS.MS-PS1-4

Which one of these things will dissolve in water?

• salt

• wood

• paper

If you place a nail and candy in water. The nail will rust and the candy will dissolve. Why?

• The metal nail sat in water longer than the candy.

• The metal nail was placed in more water than the candy.

• Different materials respond to changes in different ways.

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following will change a material into a new substance?

• folding

• bending

• cooking

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NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Materials react to heat differently. Compare how eggs and water respond to heat.

• Eggs and water do not respond to heat.

• Eggs will become a new substance, while water will not be a new substance.

• Water will become a new substance, whil eggs will not be a new substance.

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NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which change forms a new substance?

• fruit that is rotting

• a straw that is bent

• candy tha is crushed

Tags

NGSS.MS-PS1-2

Sue wants to make a pitcher of Kool-aid and added sugar cubes to make it sweet. What happened to the sugar once they were stirred into the water?

• the sugar rusted into the water.

• the sugar melted into the water

• the sugar dissolved into the water

Scott crumpled some sheets of paper for an art project. Which is true.

• the paper changed odor.

• the paper changed color.

• the paper changed shape.

Describe what happens when you burn a piece of wood.

• burning causes matter to rot.

• burning makes a new kind of matter.

• Burning changes only the shape of matter.

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NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5