A.Rani786
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Science (Chemistry) Quiz on Earth`s Early atmosphere, created by A.Rani786 on 07/06/2014.

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Earth`s Early atmosphere

Question 1 of 8

1

What is the Photosynthesis equation?

Select one or more of the following:

  • Oxygen+Glucose--->Carbon Dioxide+Water

  • Carbon Dioxide+Water--->Oxygen+Glucose

Explanation

Question 2 of 8

1

What Happens when plants evolve?

Select one or more of the following:

  • They breath in Carbon dioxide and release Oxygen and glucose into the air.

  • They release carbon dioxide and glucose into the air

Explanation

Question 3 of 8

1

Name the four gases present in the earth`s early atmosphere

Select one or more of the following:

  • -Carbon Dioxide
    -Ammonia
    -Methane
    -Water Vapour/Steam

  • -Oxygen
    - Methane
    - Carbon Dioxide
    - Water Vapour

Explanation

Question 4 of 8

1

What layer did oxygen form in the upper atmosphere?

Select one or more of the following:

  • Ozone

  • carbon Dixoide

  • Oxygen

Explanation

Question 5 of 8

1

What layer did oxygen form in the upper atmosphere?

Select one or more of the following:

  • Ozone

  • carbon Dixoide

  • Oxygen

Explanation

Question 6 of 8

1

What layer did oxygen form in the upper atmosphere?

Select one or more of the following:

  • Ozone

  • carbon Dixoide

  • Oxygen

Explanation

Question 7 of 8

1

Why was this gas important for life on earth?

Select one or more of the following:

  • It killed all the plants on earth

  • It created more oxygen

  • It shielded the earth from harmful UV light

Explanation

Question 8 of 8

1

What is the word equation for when Oxygen reacted with Iron ?

Select one or more of the following:

  • Oxygen+Iron--->Carbon Dioxide +Glucose

  • Oxygen+Iron--->Iron Oxide

  • Oxygen+ Iron---> Glucose +Water

Explanation

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