Ecosystem Basics
The sphere which contains all of the earth's water.
What is the hydrosphere?
What happens to water when it freezes? (Shrink, expand, or nothing)
What do plants need to grow? (3/4 things)
Sunlight energy, water, air, nutrients
What does earth have more of, salt water or fresh water?
Salt Water
Organisms that are eaten by consumers, but get their energy from the sun.
What are producers?
The sphere that contains all of the earth's rocks and minerals.
What is geosphere?
Give 3 examples of properties that you may be able to identify a substance (like powder) by.
Smell, color, appearance, taste, reaction to other substances
From which necessary source do plants gain mass?
From the air because air has mass.
Where do you typically find fresh water?
Lakes, Rivers, Streams, Glaciers
The sphere that contains all of the earth's life (plants, humans, animals, etc)
What is biosphere?
What is the law of conservation of matter?
It states that matter cannot be created or destroyed, it can only change forms through physical or chemical reactions.
What is the process called when plants use sunlight energy to grow?
Why is the majority of the freshwater on Earth not drinkable?
It is frozen in glaciers.
A graph that shows the flow of energy from one organism to another.
What is a food web?
The sphere that contains all of the gases in and around the earth.
What is the atmosphere?
Type of reaction where the change can be easily undone, such as a change of state (freezing)
Physical Reaction
Where do plants soak in water from?
Their roots
Name two different natural disasters that we've learned about.
(Answers may vary) - Hurricane, Earthquake, Tornado, Flooding, etc
Name one factor that could change a food web.
Answers may vary
Biosphere and Atmosphere?
Type of reaction that cannot be easily undone (requires heat, substances mixing, etc)
Plants absorb carbon dioxide and release oxygen back into the atmosphere.
Most of the volcanos and earthquakes occur in a pattern around the world called what?
The ring of fire