SLS

Question 1

Flow of energy in an ecosystem

Answer 1

Light energy -> chemical potential energy -> heat energy

Question 2

Are these causes of deforestation? 
Farming 
Logging 
Burning plastics 
Burning fossil fuels
Building settlements 
Building transport routes

Answer 2

Farming
Logging
Building settlements
Building transport routes

Question 3

How can humans reduce the negative effects of deforestation? Which of these:
Planting new trees 
Using energy-efficient devices 
Promoting eco-tourism 
Having laws to protect forests 
Using public transport 
Agroforestry 
Selective logging

Answer 3

Planting new trees 
Promoting eco-tourism 
Having laws to protect forests 
Agroforestry 
Selective logging

Question 4

What factors are there? (3)

Answer 4

Social
Economic
Environmental

Question 5

What are the direct effect of rising ocean temperature on coral reefs?
Is it
Causes coral to bleach
Caused skeletons of the corals to become weaker
Causes corals to disintegrate
No impact on corals

Answer 5

It causes coral to bleach

Question 6

What physical factor(s) can be measured using a data logger
Amount of oxygen 
Type of minerals present 
pH value
Height of the ocean wave

Answer 6

Amount of oxygen

pH value

Question 7

What is the SI unit of temperature

Answer 7

Kelvin (K)

Question 8

What is an example of a scientific instrument used to measure temperature

Answer 8

Thermometer

Question 9

How does the increase in acidity, decrease in oxygen level and increase in oxygen level affect the population of marine organisms that live in the coral reefs?

Answer 9

causing the population of marine organisms to decrease