Science: U1 L3 Physical & Chemical Changes

Which of the following would result in a chemical change.

• Ice cubes melting in a glass of water

• Wood burning in a campfire

• Power plants providing electricity to a city.

• Butter melting in a pan

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Mixing food coloring and water is an example of a (a)   change.

• physical

• chemical

Which is an example of a physical change?

• a candle burning

• rust on a bicycle

• ice cream melting

• a firework exploding

Jacob’s cut-up apple turned brown when he left it on the table. This is an example of what type of change and why?

• A physical change because the apple changed shape.

• A chemical change because the apple reacted with oxygen.

• A physical change because the apple was cut.

• A chemical change because the apple lost water.

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NGSS.MS-PS1-2

Which are signs that a chemical change has taken place? Select all that apply

• change in mass

• formation of a gas

• formation of a mixture

• change in temperature

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NGSS.MS-PS1-2

Which of the following describes an example of a chemical change?

• a piece of glass breaking

• tearing a piece of paper

• shaping a piece of clay

• rust forming on a car

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Baking soda and vinegar combined to make carbon dioxide is an example of a (a)   change.

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which kind of change alters the shape of an object without changing what type of matter it is?

• chemical change

• physical change

• gradual change

• sudden change

What is a physical combination of two or more substances that are blended together without forming a new substance?

• a mixture

• a compound

• an element

• a solution

Which is an example of a chemical change?

• a ball of clay is split in two

• a piece of wood is splintered

• a coin rusts

• salt and pepper are mixed

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5