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Review questions

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This activity contains 20 questions.

Question 1.
ch1a.jpg

Describe how you should observe solutions in a test tube.

 
End of Question 1


Question 2.
ch1b.jpg

Identify the meaning of this sign.

 
End of Question 2


Question 3.
ch1c.jpg

Describe how a test tube should be set up if you were to heat a substance in it safely.

 
End of Question 3


Question 4.
Recall the first thing you should do if your hair catches alight.

 
End of Question 4


Question 5.
Identify the ways scientists find answers to questions.

 
End of Question 5


Question 6.
A student placed copper into a test tube of acid. The results section of their report mentioned a lot of bubbling. Identify the type of observation the student made.

 
End of Question 6


Question 7.
ch1d.jpg

Identify a prediction about the burning candle in the diagram.

 
End of Question 7


Question 8.
ch1e.jpg

Observe the diagram and identify what this statement is: 'The dinosaur ate the bird'.

 
End of Question 8


Question 9.
Identify the item you would use to heat small amounts of liquid.

 
End of Question 9


Question 10.
Explain what scientific diagrams are.

 
End of Question 10


Question 11.
ch1f.jpg

Identify the equipment labelled 1, 2, 3 and 4 in the diagram.

 
End of Question 11


Question 12.
Recall the name given to the intention of an experiment.

 
End of Question 12


Question 13.
Recall the name of the part of a scientific report where scientists summarise their findings.

 
End of Question 13


Question 14.
Recall an abbreviation used for the metric unit of time.

 
End of Question 14


Question 15.
Identify a piece of equipment that you would use to accurately measure 80 mL of water.

 
End of Question 15


Question 16.
Recall how measurements should be taken to avoid parallax error.

 
End of Question 16


Question 17.
ch1g.jpg

Read the volume of liquid in the measuring cylinder and state its measurement.

 
End of Question 17


Question 18.
ch1h.jpg

Read the reading on this beam balance and state its measurement.

 
End of Question 18


Question 19.

A student wanted to investigate the effect of chlorinated pool water on the growth of plants. They noticed that the plants near the edge of their swimming pool were drooping. As a test, two pots were placed in full sun. One plant was watered with tap water while the other was watered with pool water. For seven days both plants were observed until the plant watered with pool water started drooping and its leaves lost colour. The student finally stated that chlorinated pool water makes plants droop. Identify the purpose of watering one plant with tap water in this investigation.
 
End of Question 19


Question 20.
A student wanted to find out if tennis balls bounced higher on different surfaces. They thought that tennis balls would bounce higher on artificial grass than on real grass. Identify what this thinking is an example of.

 
End of Question 20





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