Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
19th March 2022
- 1Bioenergetics
A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 2Photosynthesis
A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 3Respiration, Exercise and Metabolism
Explain why breathing rate and breathing depth both increase during exercise.
- 4Homeostasis and Response
Explain, in terms of blood vessels, how the skin helps to cool the body when it is too hot.
- 5The Nervous System and Reflexes
Define a synapse.
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