Show:
Water
Fire
Air
Earth
Mix
100
How many ways can water be useful?
wash your hands, take a bath, drink water
100
how many ways is fire formed?
you can rub two sticks together or gather some leaves and papper and rub two stones quickly above the leaves.
100
Where does air pollution come from?
Air pollution is created from both mobile, stationary and area sources.
100
what are the four things a plant needs to grow?
a plant needs: water,oxgen,soil,sun light
100
What is formed when you put water in the freezer?
Ice
200
what is the water cycle?
water evaporates,clouds form,rain falls,rain flows throw rivers and lakes,then go's back to the ocean.
200
What happens when you mix fire and water?
the fire burns out.
200
In how many ways is air used for not just breathing?
By oxygen,nitrogen and the atmosphere. and for filling up a ballon
200
what causes an earthquake?
The processes of "plate tectonics" are what cause an earthquake.
200
when you mix water and dirt what do you get?
mud
300
how does a water wheel work ?
Water wheels work when water flows through the wheel, and causes the wheel to begin moving.
300
why does fire burn out if you cover it?
because fire needs oxygen.
300
what creates air?
trees
300
What pulls everything to the center of the earth?
Gravity.
300
if water evaporates wear does it go?
To the clouds?
400
how is a tsunami made?
by an earthquake happening close to the water/ocean.
400
Does fire burn everything?
Anything that can be oxidized will burn. If the fire is hot enough it will ionize atoms and molecules then EVERYTHING will be affected even stuff that usually does not "burn" (oxidize).
400
Can air be dangerous?
air pollution is a type of air that can be dangerous.
400
Why is water important to life on earth?
Your cells ... all cells ... are little bags of water, and EVERYTHING that you can define as life happenes because by the actions of proteins in water. Because without any water plants, animals and humans will die. Water lets the plants grow so that we could breath in oxygen and eat some of the plants for food. Water lets animals live so that we could eat the animals to survive. Water is very important to everyday use without any water there will be no life left on planet earth
400
what are different types of tornadoes made of?
some are made out of air and earth some are made out of water and some are made out of just earth.
500
How can you separate water from salt water?
If you boil salt water, then salt will be left and the water will be in the air or will have condensed into water on a surface.
500
how can you make fire in 5 different ways?
1. Matches 2. Lighters 3. FireSteel and Scraper 4. 9v Battery and Steel Wool 5. Rub 2 Sticks Together
500
how is a sandstorm made?
This wind is usually caused by convection currents (which are created by intense heating of the ground), and is usually strong enough to move entire sand dunes. Air is unstable when heated, and this instability in the air will cause the mixture of higher winds in the troposphere with winds in the lower atmosphere, producing strong surface winds.
500
what is earth made out of?
mantle, crust, core
500
What is oxygen?
Oxygen is a very important element because it is a part of the air people breathe and the water people drink. Because of this, oxygen supports life. Many living things (including humans) need oxygen to live and breathe, though it is poisonous to some forms of life. In liquid state of matter, oxygen is blue.