The atmosphere - revision | Baamboozle - Baamboozle

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The Earth's atmosphere (revision) 1ºESO Biologý and Geology

Study Slideshow

Is ozone good or bad for humans?

Both ( in the stratosphere ozone protects us from the UV rays, but ozone can also act as a pollutant at ground level)

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1. Which gas is represented by Gas #1?

Nitrogen

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Which would correctly fill in the chart for X,Y, and Z?

X- Carbon Dioxide Y-Oxygen Z-Nitrogen

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Scientists believe the Earth formed... when? (give your answer in English)

4.5 or 4.6 billion years ago.

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How much oxygen did the early atmosphere have?

Little or no oxygen gas.

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What molecule captures light energy in plants and algae?

Chlorophyll

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Photosynthetic organisms need this gas to produce food.

Carbon dioxide (CO2)

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Photosynthetic organisms release this gas when they produce food.

Oxygen (O2)

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Where can we find nitrogen in living things?

In proteins and nucleic acids (such as DNA)

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Respiration is a process that release _______________ for the cell to use.

energy

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Respiration in plants, as in animals, happens all the time (24/7). True or false?

True

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(Glucose + O2 -> CO2 + H2O + energy) is the equation for...

Cellular respiration

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Which gas is removed from the atmosphere during photosynthesis?

Carbon dioxide (CO2)

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Organisms (plants, algae, some bacteria) get the energy they need for photosynthesis from sunlight. True or false?

True

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What is the purpose of photosynthesis?

Make food (glucose)

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The goal of cellular respiration is to...

make energy

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