A Midpoint Assessment

How did the lettuce get the food molecules that we then eat?

Lettuce grows in the ground and we eat its leaves.

Explain how lettuce gets its food molecules. Using words add the components and interactions you need to explain what is going on in the model below.

• Make sure to include things we can't see with our own eyes but we know are there.

• Add in other zoom-ins if you need them.

• If needed, add a key to explain your representations.

Construct a scientific explanation for how it is possible that the inputs can enter the plant and produce different outputs from the plant.

In your explanation, include what matter moves and energy flows in the plant system.

*input- what goes into a system

*outputs- what is created and/or leaves a system

Why was the scientist able to survive in an airtight (closed) space with plants?

Write a claim:

The scientist is able to survive in an airtight (closed) space with plants because _____.

a) Include evidence from the graphs above to support your claim.

b) Write in complete sentences to explain your reasoning why the evidence you have about the movement of carbon atoms supports your claim.

In the graph at point (a, b, or c) , it shows...

The evidence proves...