PAT Preparation Year 7

As more trees are cut down in the tropical rainforest...

• there is less farmland to plant crops on.

• 1. there is more space for plants to grow and absorb carbon dioxide.

• more oxygen enters the atmosphere and slows the effects of climate change

• more carbon dioxide enters the atmosphere and contributes to climate change.

What are the possible effects of deforestation?

• A

• B

• C

• D

A farmer put some fertilizer on his field. Soon afterwards, there was a heavy storm and some of the fertilizer drained into a lake. What is the effect of the fertilizer on the growth of the crop plants in the field and the plants in the lake?

• A

• B

• C

• D

What is deforestation?

• Clearing Earth's forests on a massive scale

• Eating too much vegetables

• Going to a forest and pulling weeds

• Clearing the five trees in my backyard

What is a producer?

• an organism that gets energy from eating other organisms

• an organism that uses sunlight to make its own food

• an organism that gets energy from eating dead organisms, non-living material or waste

• an organism that uses chemical energy to make its own food

The image is an example of...

• an atom

• a compound

• a homogeneous mixture

• a heterogeneous mixture

This picture is a model of...

• an element

• a compound

• a homogenous mixture

• a heterogeneous mixture

What would you use to separate salt from seawater?

• Decanting

• Filtration

• Evaporation

• Using Magnet

If we need to separate water + oil we have to use:

• Distillation

• Filtration

• Decantation

• Sieving

What is the leading cause of deforestation?

• Diseases

• Housing market

• Agriculture and Farming

• Paper mill