U2 Changes in Matter

What are the three states of matter?

• hot, cold, and warm

• solid, liquid, and plasma

• round, square, and triangle

• solid, liquid, and gas

What is the difference between a solid, liquid, and gas?

• Molecular arrangement and movement

• Color and texture

• Taste and smell

• Size and weight

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How do you measure the mass of an object?

• Using a balance or a scale

• Using a ruler

• Guessing based on appearance

• Estimating by hand

What happens when water is heated and turns into steam?

• Freezing

• Sublimation

• Evaporation

• Condensation

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What is the conservation of mass?

• Mass can change into energy in a chemical reaction

• Mass can be created in a chemical reaction

• Mass can be destroyed in a chemical reaction

• Mass cannot be created or destroyed in a chemical reaction

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NGSS.MS-PS1-5

Explain how matter can change from one state to another.

• Through the processes of melting, freezing, evaporation, condensation, and sublimation.

• By mixing different types of matter together

• By exposure to sunlight

• Through the process of photosynthesis

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How does the mass of a substance change during a chemical reaction?

• The mass of a substance increases

• The mass of a substance remains constant

• The mass of a substance decreases

• The mass of a substance becomes zero

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If the flour is 10 grams and the sugar is 15 grams. How many grams of mass are in the bowl?​

• 25
• 35
• 20
• 7

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What is the process of changing from a solid to a liquid called?

• Condensation

• Evaporation

• Melting

• Sublimation

Tags

NGSS.MS-PS1-4

What happens to the particles of a substance when it is heated?

• They move slower and get closer together

• They move faster and get further apart

• They disappear

• They change color

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