Water Quality
What are two things that can affect water quality?
Temperature and pH.
What is one daily activity that uses a lot of water?
Taking a shower.
What is the smallest part of water called?
An atom.
What happens when water freezes?
It turns into ice.
How can pollution affect water?
It can make it unsafe to drink.
What does high nitrate levels in water indicate?
It can be harmful to plants and animals.
How much of Earth’s water is usable for drinking?
Less than 1%.
What does H₂O stand for?
2 hydrogen and 1 oxygen atoms.
Why does ice float?
Because it is lighter than water.
What happens when rain washes dirt into rivers?
It can harm water quality.
What can warm water do to fish?
It can make it harder for fish to survive.
What can you do to save water at home?
Turn off the tap while brushing teeth.
What is a molecule?
Atoms stuck together.
What do we call it when water molecules stick to each other?
Cohesion.
What is acid rain?
Rain that has become acidic due to pollution.
What is one way we can keep our water clean?
By not polluting it.
Name one group of people who care about wise water use.
Farmers.
What is it called when atoms stick together?
A chemical bond.
What is it called when water sticks to other surfaces?
Adhesion
Why should we protect our water sources?
To ensure clean water for everyone.
Why is it important to know about water quality?
It helps us protect the environment and health.
What happens if we waste too much water?
We could run out of clean water.
What do we call elements that are different and combine?
A compound.
What is surface tension?
The surface of water acting like a skin.
What is one action we can take to protect our local streams?
Keep trash out of the water.