Bellringer 1

Label the oxygen cycle

a

b

Plants

Animals

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Carbon dioxide is getting a bad wrap these days being blamed for climate change, what would happen to photosynthesis or plants if there were zero levels of Carbon dioxide?

• Plants would flourish and put out more oxygen

• Plants would die, they would no longer put out oxygen for us to breathe

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS1-5

OK so photosynthesis stops in plants because of a lack of Carbon dioxide, what effect would it have on us?

• We would breather cleaner air

• It would rain more often

• We would suffocate without oxygen

• Trees would stop growing

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which has the most effect on our temperatures and how much rain we get?

• Intensity of ight

• type of substratum such as soil and rock

• availability of inorganic substances such as common salts

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What does the term " limit" mean?

• You can have all you want

• You can only have so many

You are stranded out in the forest, what limiting factors would determine if you survived?

• Intensity of light-temperatures

• Amount of moisture-water

• Food

• all of these

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4