QUESTION 1
Circle the correct answer.
1.1 The thing that you change during an experiment:
A equipment B dependent variable
C method D independent variable
1.2 Negative impack of incorrect waste management
A can cause disease B improve drainage
C decrease in rats and flies D improve soil quality
1.3 An example of an element?
A salt B oxygen
C water D cooldrink
1.4 Method used to separate water and pebbles:
A filtration B distillation
C evaporation D sieving
1.5 An example of a mixture?
A water B carbon dioxide
C salt D steel
1.6 Method used to separate mixture based on moving at different speeds.
A sieving B chromatography
C distillation D filtration
1.7 Which is a property of a base?
A taste sour B makes things fizzy
C soapy feel D corrosive
1.8 Boiling point of water is _______ degrees Celsius.
A 10 B 200
C 100 D 1000
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, 1.9 A positive test for a base:
A blue litmus paper stay blue B red litmus paper stay red
C blue litmus paper turn red D red litmus paper turn purple
1.10 Process of changing from a gas to a liquid?
A condensation B filtration
C evaporation D distillation
[10]
QUESTION 2
Match column A and column B by connecting the statement and term that go together.
Column A Column B
2.1 Change from solid to liquid Wood
2.2 Thermal insulator Melting
2.3 Electrical conductor Rubber
2.4 Anything with mass and volume Matter
2.5 Thermal conductor Copper
2.6 Change from liquid to a gas Concrete
2.7 Electrical insulator Boiling point
2.8 Very strong Gold
[8]
QUESTION 3
Provide definitions for the following terms:
3.1 Insoluble
____________________________________________________________________
__________________________________________________________________(1)
3.2 Neutral substance
____________________________________________________________________
__________________________________________________________________(1)
3.3 Ductile
____________________________________________________________________
__________________________________________________________________(1)
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