Science HMH Unit 5 States of Matter Lessons 1-3

Matter can change from one state to another state because of a change in ____________?

• density

• volume

• temperature

• mass

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of these is an example of a chemical change?

• making cookies

• making popsicles

• hitting a drum

• picking up toys

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Why would you repeat an experiment that someone else performed?

• to practice performing experiments

• to make sure the observations were accurate

• to make the same conclusions

• to write the same conclusions

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NGSS.MS-LS2-4

At what temperature does water turn from a liquid into a gas?

• below 0° C

• between 0°C and 100°C

• over 100°C

• between 0°C and 120°C

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

When water boils and some of the water begins to evaporates, what kind of change is happening?

• Chemical Change

• Physical Change

• Both Chemical Change and Physical Change

• There is no change

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NGSS.MS-PS1-4

Why should you make accurate measurements during an experiement?

• to check if your tools are correct

• to take good notes

• to practice measuring

• so other people could repeat your experiment

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NGSS.HS-PS2-5

NGSS.HS-PS3-4

This table shows the melting and boiling point for different substances. The melting point is where a substance becomes a liquid. If all of these substances were put in a freezer at -220° C, which would become a liquid?

• iron

• table salt

• nitrogen

• copper

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NGSS.MS-PS1-2

NGSS.MS-PS1-4

Why do some metal structures have small gaps between each section?

• to allow the metal to expand when it gets cold

• to allow the metal to expand when it gets hot

• to keep the metal from making a physical change by touching

• to make chemical reactions between the metal and air occur faster

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Maria conducted an experiment by using the same amounts of water, sugar and yeast in balloons and put each balloon in a different location and temperature. She observed the balloons and recorded the changes. If you wanted to repeat this experiment what details would you need to know?

• how much water is needed?

• how much each balloon weighed?

• the temperature and the location of where she put the balloons?

• What color the balloons were?

Which picture shows particles at a high temperature?

• 
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NGSS.MS-PS1-4