Grade 2 Air
What needs air to live?
All living things!
What are the three adjectives we learned to describe water?
Colourless, odourless, tasteless
Explain what soil is.
Name one type of soil
-Clay
-Sand
-Silt
-Loam
-Humus
Name three things that air can move.
-seeds
-clouds
-trees
-windmills
-flags
-kites
-balloons
-plants
Name four ways you see water in nature
-lakes
-oceans
-rivers
-rain
-puddles
Does soil form quickly or slowly?
Slowly! It takes many, many years for a small amount of soil to be formed.
Name the 5 layers of soil from bottom to top.
-Bedrock
-Parent material
-Subsoil
-Topsoil
-Humus
What do you call moving air?
Wind
What are two way we can conserve water?
-turn the tap off when we are not using it
-fix our leaky faucets
-take shorter showers
-only use the dishwasher or laundry machine when it is full
What three things do plants need to grow?
air, soil and water
Name 3 creatures that live in soil
-Ants
-Worms
-Moles
-Centipede
-Earwig
Where can you find air?
Everywhere!
What are the 3 phases of the water cycle?
BONUS POINTS: Explain them.
Evaporation: Water goes up into the air
Condensation: Water forms clouds
Precipitation: Water comes down (rain, snow, hail)
What type of soil is good for your garden?
Loam
Name the four non living parts of soil
1. Rocks
2. Water
3. Air
How do humans and plants breathe air differently?
Humans breathe air through the nose and mouth. Our lungs bring fresh air into our bodies and push out stale air.
Plans breathe air through their leaves. Plans and trees help clean our air.
What are the three states of water?
-solid, liquid and gas
Name 3 reasons soil is important.
1. It helps plants grow
2. It gives organisms a place to live
3. It helps give us fresh air
What is soil erosion?
BONUS POINTS: Explain how it happens.
The washing or blowing away of the top layer of soil.
It happens naturally due to wind and water, it happens from humans by cutting down trees, removing plants and shrubs, and having too many animals on farmland.