National Grade Six Science Mock Assessment 2... 2024

Which class of vertebrate is not represented in the pictures shown above?

(a)  

State the classification of the animals shown above.

(a)  

Choose descriptions from the box above to complete the table below.

Answer explanation

Producer

Predator

Explain the effect on the fox if the rabbit is removed from the food chain.

Answer explanation

The fox will die

State the name of the gas that enriches the blood at: X and Y.

Answer explanation

X... Carbon dioxide

Y.... Oxygen

Insert four of the words from the box above next to its correct body system.

Answer explanation

Brain

0Esophagus

Bladder

Trachea

After running the 100m race Harry realized his heart rate increased rapidly.

Explain the reason for the increase in Harry’s heart rate.

Answer explanation

His body needed oxygen to supply his cells so the heart has to pump faster

From the pictures above, name two materials that are non-biodegradable.

Answer explanation

Battery

Plastic

Aluminum

Identify one biodegradable material that can be recycled.

Answer explanation

Newspapers

Wood shaving

Banana peels

Name a biodegradable material that is used to make shopping bags.

Answer explanation

Newspapers

Wood shaving