B7b/C9 Fit

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BiologyUpper Secondary (Key Stage 4)GCSE

This lesson contains 14 slides, with interactive quizzes, text slides and 2 videos.

time-iconLesson duration is: 50 min

Items in this lesson

Slide 1 - Slide

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What is the equation for photosynthesis?
Glucose
Oxygen
Carbon dioxide
water

Slide 2 - Drag question

Slide 3 - Video

What was the source of oxygen in the Earth's early atmosphere?
A
Volcanic activity
B
Photosynthetic bacteria
C
Meteor impacts
D
Photosynthetic organisms

Slide 4 - Quiz

Which gas was most abundant in the Earth's early atmosphere?
A
Water vapor
B
Carbon dioxide
C
Oxygen
D
Nitrogen

Slide 5 - Quiz

What gases were present in the Earth's early atmosphere?
A
Nitrogen
B
Water vapor
C
Oxygen
D
Carbon dioxide

Slide 6 - Quiz

What role did volcanoes play in the early atmosphere?
A
They released gases that contributed to the formation of the early atmosphere
B
They formed the Earth's oceans
C
They created the first plants and animals
D
They caused the extinction of dinosaurs

Slide 7 - Quiz

Complete task 2

Slide 8 - Slide

Define global warming?

Slide 9 - Open question

Slide 10 - Slide

Slide 11 - Slide

Slide 12 - Video

Put the stages of global warming in order
Step 1
Step 2
Step 3
Step 4
Radiation from the sun enters the earths atmosphere
the earth absorbs short wave radiation and warms up. The earth radiates infra red radiation
Some of the infrared radiation is absorbed by greenhouse gases in the atmosphere and reflected back
The atmosphere warms up

Slide 13 - Drag question

Complete task 3

Slide 14 - Slide