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Quiz on Physical and Chemical Changes, created by za4321 on 15/11/2014.

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Physical and Chemical Changes

Question 1 of 11

1

Why do chemical changes occur?

Select one of the following:

  • When the atoms and molecules of substances change or react with one another

  • When atoms and molecules react chemically against a compound

Explanation

Question 2 of 11

1

Give three examples of chemical changes

Select one of the following:

  • Freezing, rusting, melting

  • Photosynthesis, rusting, baking

Explanation

Question 3 of 11

1

True or False: Burning a sugar cube is a chemical change

Select one of the following:

  • True
  • False

Explanation

Question 4 of 11

1

True or False: Chemical Changes happen on a much smaller scale

Select one of the following:

  • True
  • False

Explanation

Question 5 of 11

1

You can cause physical changes with forces like...?

Select one of the following:

  • Temperature, Force, Motion

  • Force, Motion, Gravity

  • Temperature, Gravity, Motion

Explanation

Question 6 of 11

1

True or False: During a physical change new materials are formed

Select one of the following:

  • True
  • False

Explanation

Question 7 of 11

1

Physical Changes involve....

Select one or more of the following:

  • Changes of state, color, appearance, shape, texture, size and form

  • Changes of temperature, force and gravity

Explanation

Question 8 of 11

1

During a chemical change....

Select one or more of the following:

  • Chemical bonds are formed between the materials

  • No chemical bonds are formed between the materials

Explanation

Question 9 of 11

1

True or False: Chemical Changes are hard to reverse

Select one of the following:

  • True
  • False

Explanation

Question 10 of 11

1

Is energy released during physical changes?

Select one or more of the following:

  • No

  • Yes

  • Only during changes of state

Explanation

Question 11 of 11

1

How are compounds formed during chemical reactions?

Select one or more of the following:

  • When chemical reactions occur, creating the compound and it's components

  • When chemical bonds are formed between the elements

Explanation

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