Models
Why do Engineers and Scientists use models?
To help explain their reasoning.
What is the atmosphere made of?
Gas
What are molecules made of?
Atoms.
Jupiter
Why are food webs important?
Food webs help keep our environment stable and prevent animals/plants from going extinct.
Name 3 models that we have either made or used in class this year.
Molecule model, food web model, Atom model, solar system model, water cycle model, model of the earth...
Does precipitation happen in the atmosphere?
Yes.
Where can you find molecules?
In everything!
Does Mars have water on it?
Yes
What creates energy in a food system?
Plants.
What scientists make models of?
Things that are hard to see or understand.
Name at least one way the atmosphere protects us.
It protects us from the sun's harmful rays, protects us from meteors, it keeps our planet warm and it helps facilitate the water cycle.
What happens to molecules when they heat up?
They move faster and spread apart.
How many moons does Mars have?
2
What do we call an organism that does not get eaten by any other organism in a food web?
The final consumer. Tertiary consumer is also ok.
Why is a model of the moon helpful if we can see it in the sky?
It is hard to tell how far away the moon is and how big it is. You also cannot see both sides of the moon.
Free!
Free!
The move closer together and stop moving around as much.
How many planets are there in our solar system?
8
What is the name of an organism that breaks down all other organisms in a food web?
A decomposer.
You cannot see the whole Earth when you are standing on it.
How many layers of the atmosphere are there?
5
Are there molecules in space?
What is the last planet in our solar system?
Neptune.
What role do Humans play in a food web?
The final consumer.