3rd Year Science

Sustainability

100

Name a human activity that has led to global warming

Burning fossil fuels 

Deforestation

200

State one consequence of rising sea levels

Flooding

300

Name the 3 pillars of sustainability

Environment

Economic

Social

400

Sustainable development is... 

Development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

500

What gas is formed when fossil fuels are burnt?

Carbon dioxide

Motion

100

How do you calculate Speed?

Distance over Time

200

How do you calculate Acceleration?

V2 - V1 / T2 - T1

300

What is the definition for Displacement?

Distance in a given direction

400

What is the definition for Velocity?

The speed and the direction of an object

500

A whale swims at a constant speed of 8m/s for 17s. What distance did it travel?

136m

Density

100

How do you calculate Density?

Mass over Volume

200

What are the units for Density?

g/cm³

300

How do you calculate the volume of an irregular object?

Overflow Can and Graduated Cylinder 

400

An object has a mass of 100g and a volume of 20cm³. Calculate the Density. (Round to 1 decimal place)

5g/cm³

500

A cube has a side of length 4cm and a mass of 75g. Calculate the Density. (Round the 1 decimal place)

1.2 g/cm²