TRUE or FALSE - Air has mass and occupies space.
True
TRUE or FALSE - Air has a fixed shape and volume, so it can be compressed.
False
TRUE or FALSE - Air cannot flow. Moving air is called wind.
False
TRUE or FALSE - Air exerts a pressure called air pressure.
True
TRUE or FALSE - When air is heated, it expands and occupies more space.
True
TRUE or FALSE - When air cools, it contracts and occupies more space.
False
TRUE or FALSE - Most living things need oxygen to survive.
True
TRUE or FALSE - Nitrogen makes up about four-fifths of the Earth.
True
TRUE or FALSE - When living things respire or when things burn, carbon dioxide is produced.
True
It protects the Earth from harmful radiations coming from the Sun and helps to keep the Earth warm.
Atmosphere
What object you can find in Exosphere?
Satellites
What object you can find in Thermosphere?
Space shuttle/s
What object you can find in Mesosphere?
Meteor/s
What object you can find in Stratosphere?
Aircrafts (airplanes, jet planes)
What object you can find in Troposphere?
Birds, clouds, lightning
What are the composition of air?
Oxygen, Nitrogen, Carbon dioxide
