Water Cycle
What happens to clouds when they become full of water?
It rains or snows. This is called Precipitation.
Which one of these 2 is a solid? A chair or a rain drop.
Which one of these is a liquid? rain or snow
Rain
Humans, animals, plants.
On planet Earth, who needs water to live? Name 3.
Humans, animals, plants.
What happens when water gets warmed up by the sun?
It turns into a gas and floats up into the air. This is called Evaporation.
Which of these 2 is a solid? Milk or cheese?
Cheese
What type of liquid do you get when you melt an ice cube?
Water
We cannot see air; it is invisible. How do we tell it is there?
Wind, breathing, cold or warm wind, trees move in the wind, we blow out a candle.
Why is it bad when water gets polluted?
People and animals and even plants can get sick.
What happens when more and more tiny droplets of water collect in the air? What do they turn into?
A cloud. This is called Condensation.
Which one of these is NOT a solid?
cake a ball orange juice marshmallow ice
orange juice
What happens when you pour water, oil, dish soap, and maple syrup into the same jar?
They separate because they have different densities.
Name something that can pollute the air.
Factories
Forest Fires
Car Exhaust Fumes
Spraying Chemicals
Which one floats: a marble or a leaf
Why is the water cycle shaped like a circle with arrows going around and around?
Because it keeps happening over and over. It is never ending.
It does not change its shape.
Which liquid is faster, water or maple syrup?
Water
How can trees help make the air better for us humans?
They take in carbon dioxide and give off oxygen.
They "clean" the air for us.
Which one sinks: a pencil or a toy car
A toy car.
What would happen if the water cycle was stopped forever?
It would never rain or snow again.
Water would never turn into clouds again.
When you melt an ice cube, it changes from a solid to a __________.
Liquid
How do you know something is a liquid?
It takes the shape of the container it is in.
It changes shape.
Why is air pollution bad?
We could get sick.
We could get acid rain.
Name something that can absorb a lot of water.
A sponge, a cloth, felt.