Revision 4G-Science

Fossil fuels and coals are ​ (a)   while solar, hydro, wind and geothermal energy are​ (b)  

• non-renewable energy sources
• renewable energy sources.

Sort each energy source as renewable or non-renewable.

Groups:

(a) renewable

,

(b) non-renewable

• natural gas

• crude oil

• hydroelectric

• solar

• coal

• wind

Burning fossil fuels can cause

Getting coal by digging layers of rock and soil can cause

Label the ocean floor features.

a

b

c

d

e

seamount

trench

abyssal plain

continental slope

continental shelf

TRUE or FALSE. Pollution cannot cause breathing problems.

• true

• false

TRUE or FALSE. The ocean floor is plain, flat and full of sand.

• true

• false

Match the following earth's feature to its name.

• volcano

• 
• river

• 
• canyon

• 
• plateau

• 
• dunes

• 

Which one is an example of reduce?

• Andy made a cat house from old shirts and tires.

• Bill turn off the lights when going out.

• Anna uses refillable water bottle.

Draw and label an example of physical weathering.