Characteristics of Air
True or False: We can see air.
FALSE: We cannot see air; air is invisible.
True or False: The Earth has more water than land.
TRUE: The Earth is 75% water.
True or False: Ice is not a form of water.
FALSE: Ice is a form of water.
True or False: The water cycle renews the water that we have on this Earth.
TRUE: The water cycle renews the water that we have on this Earth.
Name three things that need water.
Humans, animals, and plants need water.
How do we know air exists?
We can feel air move.
TRUE: Water has no taste.
What are the 3 states of water?
Solid, liquid, gas.
Rain, sleet, snow, and hail are examples of ________________.
Rain, sleet, snow, and hail are examples of PRECIPITATION.
Name three things that need air.
Humans, plants and animals need air.
Does air have weight?
Yes, air has weight (hot air balloon).
True or False: Water is in the air.
TRUE: Water is in the air.
Liquid water becomes a gas when...
Liquid water becomes a gas when the temperature is above 100 degrees.
How is a cloud formed?
A cloud is formed when water vapor in the sky joins together.
What is dehydration?
Dehydration is when our bodies shut down because we are not drinking enough water.
Does air take up space?
Yes, air takes up space (water bottle).
What are the two types of water?
Salt water and fresh water.
Liquid water becomes a solid when...
Liquid water becomes a solid when the temperature is below 0 degrees.
What is evaporation?
Evaporation is when liquid water rises and turns into water vapor because of the sun.
Why do animals need water? (2 things)
2. Some animals live in water.
Air is a _______ that surrounds us.
Air is a GAS that surrounds us.
Where can we find salt water?
What is an example of water as gas?
A geyser.
What is condensation?
Condensation is when water vapor joins together to make a cloud.
How do our bodies lose water?
We lose water when we sweat or when we are sick.