What is happening to food not eaten?

Open Ended

Record your at least 1 notice and 1 wonder here:

Open Ended

Record at least 1 notice & 1 wonder here:

Open Ended

Record at least 1 notice and 1 wonder here:

Open Ended

Look at the pictures of the bread and make 1 notice and 1 wonder about the pictures.

Multiple Choice

What happened to the humidity in the DARK??

• increased

• decreased

• stayed the same

Multiple Choice

What happened to the humidity in the LIGHT??

• increased

• decreased

• stayed the same

​Each bread sample was also placed in a closed container with sensors capable of measuring carbon dioxide and oxygen levels over time. These data were collected for each bread sample over 300 seconds (5 minutes).

The next questions will ask you to analyze those graphs.

Multiple Choice

What happened to the CO₂ in the light?

• increased

• decreased

• didn't change

• remained constant

Multiple Choice

What happened to the O₂ in the light?

• increased

• decreased

• didn't change

• remained constant

Multiple Choice

What happened to the CO₂ in the DARK?

• increased

• decreased

• didn't change

• remained constant

Open Ended

What do you think is causing these changes in the sealed container? Explain to the best of your ability...

Multiple Choice

What process is likely happening on/around the bread...?

• respiration

• photosynthesis

• fat-burning

• starch-making

Multiple Choice

Which organisms eat DEAD stuff for energy?

• composers

• decomposers

• consumers

• producers