When water falls from the sky as liquid rain or solid snow or ice we call it this.
What is precipitation?
100
When we blow up a balloon the air pressure inside the balloon in is this in comparison to the air pressure outside the balloon.
What is higher?
100
In the northern hemisphere we have the shortest day of the year in this month.
What is December?
200
This is the process by which liquid water changes into water vapor, a gas.
What is evaporation?
200
Air has this quality which means that we can weigh it and that it takes up space.
What is mass?
200
The motion of the earth as it goes around the sun is called this.
What is revolution?
300
This is the process by which water vapor changes into liquid water.
What is condensation?
300
We use this weather instrument to measure air pressure.
What is a barometer?
300
Seasons are caused by this relationship between the earth and the sun.
What is the tilt of the earth?
400
This is the process by which solid water (ice) is transformed into water vapor (a gas) without first melting into a liquid.
What is sublimation?
400
Air pressure is caused by this.
What is the weight of the air pressing down?
400
In New Zealand, which is in the southern hemisphere, the longest day of the year in occurs in this month.
What is December?
500
This is the process by which water vapor is released into the atmosphere by plants.
What is transpiration?
500
Your ears might pop due to this kind of change in the air pressure.
What is lowering of air pressure?
500
When a beam of light strikes the surface of the earth closer to the poles and its energy is spread over a larger area than when it strikes closer to the equator we call it this.