Grade 2 Air
What needs air to live?
All living things!
Is water in the air?
Yes!
Name something that soil is made of
-broken up rock
-decaying plant and animal matter
-mineral grains (sand, silt, clay)
-organic matter or humus
-water
-air
Name one type of soil
-clay
-sand
-Loam
-Humus compost
Name three things that need air to move them
-seeds
-clouds
-trees
-windmills
-flags
-kites
-balloons
-weather vanes
Name four ways you see water in nature
-lakes
-oceans
-rivers
-rain
-puddles
Does soil form quickly or slowly?
Slowly! It takes millions of years for a small amount of soil to be formed.
How many types of soil are there?
Lots!
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 reasons why soil is important
-grow your food
-animals use it to burrow in
-soil protects and feeds worms and bugs
-use soil to build your house
-use soil to play in (sand)
-soil grows grass and weeds for animals to eat
What is a tool you can use to measure the temperature?
What is water called in gas form?
Vapour
What type of soil is good for your garden?
Loam
Name the four non living parts of soil
What causes global warming?
Harmful gases trapping heat in the earth
What are the three states of water?
-solid, liquid and gas
What determines the type of soil?
The size of tiny rock particles
What are three things that can crack or break down rocks?
-moving water
-wind
-plants
-changes in temperature