Worksheetsearths atmosphere
Total questions: 22
Worksheet time: 13mins
What is the layer of air around the Earth called?
trophosphere
atmosphere
hemisphere
The air is mainly made up of ........
nitrogen
oxygen
carbon dioxide
Water that is floating in the air is called .......
precipitation
water
water vapour
Plants use what gas in photosynthesis?
carbon dioxide
oxygen
helium
What gas do animals use from the air?
carbon dioxide
oxygen
helium
What was the main ingredients that caused heat energy to be trapped, creating a greenhouse effect, in the ealry atmosphere?
water and carbon dioxide
oxygen
carbon dioxide and oxygen
nitrogen and carbon dioxide
How much oxygen do we have in earth’s atmosphere?
78%
20.9%
33%
40.2%
This gas was in high concentrations in the early atmosphere, and later condensed to form Earth's oceans.
oxygen
carbon dioxide
sulfur oxides
water vapour
What was the effect of volcanoes on the Earth's early atmosphere?
Volcanoes released gases to form the atmosphere
Volcanoes released water vapour
Volcanoes released gases and water vapour
Volcanoes changed the landscape
What was the Earth's early atmosphere like ?
Similar to Mars and Venus. A large amount of carbon dioxide,little or no oxygen small amounts of other gases, such as ammonia and methane
Similar to Mercury. A large amount of oxygen, sodium and hydrogen.
Similar to Jupiter. A large amount of hydrogen and helium.
Similar to Pluto. A large amount of nitrogen.
How did volcanic activity change the Earth’s early atmosphere?
Released large amounts of gases such as carbon dioxide and water vapor
Released large amounts of gases such as oxygen
Released large amounts of gases such as carbon dioxide, water vapour and oxygen
Released very little amounts of carbon dioxide
How are oceans formed?
The Earth cooled down causing the water vapor in the atmosphere to condense to liquid water
The Earths temperature increased causing the water vapor in the atmosphere to condense to liquid water
The Earths temperature increased causing the water vapor in the atmosphere to evaporate
The Earth cooled down causing plants to photosynthesis
The composition of todays atmosphere is mostly...
Hydrogen
Oxygen
Nitrogen
Helium
How much oxygen do we have in todays atmosphere?
78%
21%
33%
40.2%
___________ are the smallest unit of an element that maintains the properties of that element.
Atoms
Elements
Compounds
Mixtures
An _______________ is made up of one or more of the same kind of atom chemically combined.
atom
element
molecule
compound
A ______________ is made up of different kinds of atoms chemically combined.
element
compound
mixture
molecule
Air is:
An element
A compound
A mixture
None of these
