Water can be in three states: liquid, solid, or _____.
gas
There are two types of water sources. These are....
natural and man-made (built)
How many stages are there in the water cycle?
4
Air is ________. This means we cannot see it.
Invisible
When pollution enters our air or water, is it helpful or harmful?
Harmful
When water droplets fall from the sky as precipitation, it is ________ outside.
raining
Name two natural water sources.
ponds, rivers, lakes, streams, oceans
What is it called when the sun heats up water and turns it into a gas?
Evaporation
When air moves from one place to another, it creates _____, which we can feel.
wind - we also might see wind move other objects (the trees moving on a windy day)
All living things need this to breathe.
Air (Oxygen)
In the winter, we often see water in solid form when it freezes as ______ or _______.
ice, snow
In North America, we have 1/5 of the world's freshwater. In Canada, we share four out of five great ________ with the US.
lakes
________ happens when water vapour cools and turns back into tiny drops of water in the clouds?
Condensation
Which state is air?
A gas
How does pollution in water harm fish or other animals?
Chemicals in the water can make fish and other wildlife sick.
_____ is solid, frozen precipitation made of balls or lumps of ice that form during storms.
Hail
Name three man-made (built) water sources.
Dams, wells, reservoirs or tanks, canals, pipes, sewers, faucets (taps).... Ms. Hamilton can approve answers.
When clouds get heavy, they release water to the ground as rain or snow. This is called _________.
Precipitation
What type of gas is in the air that we need in order to breathe?
Oxygen
Name two examples of pollution and where we might find it.
Ms. Hamilton approves! Smoke or chemicals in the air (factories), toxins or chemicals released into water (oil spills, litter).
Water vapour is invisible. This water is in the state of a ______.
gas
Explain how the water in lakes is different from the water found in our oceans.
Ms. Hamilton approves!
Describe the movement of water in the collection stage of the water cycle.
After precipitation, some water goes into the ground (soil) and some flows into lakes and rivers. When water pools into one area, it is collecting.
Living things breathe in oxygen and release ______ ________ back into the air.
Carbon dioxide
What is something we can do at home or at school to reduce air/water pollution?
Ride a bike or walk, pick up litter (and don't litter!), recycle, use less water by turning it off when we are not using it or taking shorter showers.