Science Year 4 DLP

Front

A variable that is observed in an investigation is known as a

Back

Responding Variable

Front

Hypothesis that has been made can be tested by conducting an _______________.

Back

Experiment

Front

The size of the _______ lung is smaller compared to the _____because the heart is located on the _______ side.

Back

left, right, left

Front

Exchange of gases take place in the lungs.__________ enters the lungs while ___________ leaves the lungs.

Back

Oxygen enters the lungs while carbon dioxide leaves the lungs.

Front

The rate of ___________ is the number of upward and downward chest movements in one minute.

Back

breathing

Front

Ensures that humans breathe better in a clean environment.

Back

Air