The best method written below is :

We placed 100 mL of water in a 250 mL beaker and heated it until to 60oC

If a Bunsen burner is hissing noise you should

turn off the gas at the gas tap

Which of the following observations is continuous?

the height of gum trees in a forest

features of an organism that help it survive.

Select the list of renewable energy sources :

wind energy, tidal energy, hydroelectric energy

You wear bike helmets to:

reduce the risk of head injuries

recycles dead plant and animal matter

Which one is a quantitative observation?

The water was at a temperature of 34oC.

An organism’s habitat is :

the place where the organism lives.

Which of these human activities has a positive effect on food webs?

Removing introduced predators from an area.

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Semester 1 revision

33 termsStudBud Administration599 plays

Revision for chapters 1, 3 and 5 - Working Scientifically, Earth resources and Habitats and interactions.

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Questions 33

Answers

1
Which branch of science studies volcanoes?
Chemistry
Biology
Geology
Physics
2
Carbon dioxide is taken in by plants to perform photosynthesis
True
False
3
The medicine improved most patients health
Quantitative
Qualitative
4
Soils are not renewable because they
can be weathered.
can be eroded.
are replaced too slowly.
are formed from weathering of rocks.
5
Respiration by plants and animals requires Oxygen
False
True
6
The best method written below is :
We heated 100 mL of water in a 250 mL beaker.
We heated some water.
We heated 100 mL of water.
We placed 100 mL of water in a 250 mL beaker and heated it until to 60oC
7
The car was yellow.
Quantitative
Qualitative
8
If a Bunsen burner is hissing noise you should
tell your teacher
run for the door
blow out the flame
turn off the gas at the gas tap
9
Rain takes time to percolate through the soil
False
True
10
The average age of the students in the class was 13.2 years
Quantitative
Qualitative
11
The ultimate source of energy for all the organisms in a food web.
Animals
Moon
Plants
Sun
12
The largest source of evaporation in the water cycle is :
Vegetation
Turbulent rivers, streams and waterfalls.
Spray irrigation of large agricultural areas.
the oceans
13
Which of the following observations is continuous?
the height of gum trees in a forest
the brands of tomato sauce in a supermarket
the colours of cars in a car park
the types of animals kept in a zoo
14
Rocks are weathered by the action of:
chemicals, wind and sunlight.
wind, rain and chemicals.
water, air, wind and sunlight.
ice, water, gases and rain.
15
A beneficial human activity on the water cycle is :
replacing forest with food crops.
irrigation of crops.
building of dams.
construction of rain gardens.
16
Pervious soil allows percolation
False
True
17
Adaptations are ....
features of an organism that help it survive.
non-living factors that influence where an organism lives
living factors that influence where an organism lives
organisms that inhabit a specific region
18
Select the list of renewable energy sources :
energy from coal, nuclear energy, wind energy
wind energy, tidal energy, hydroelectric energy
energy from coal, geothermal energy, tidal energy
solar energy, nuclear energy, wind energy
19
You wear bike helmets to:
help police to identify cyclists
to maintain a constant body temperature.
reduce the risk of head injuries
prevent your hair getting in your eyes
20
A safety flame is
Yellow
Blue
Orange
Green
21
A decomposer
recycles dead plant and animal matter
is a carnivore
is a herbivore
is found only in forests
22
The biotic factors that can affect as organism’s survival is :
events such as fire and flood
competitors for living space
the quality of the air
the amount of water available
23
Soils contain
water
air
sand
minerals
24
One organism benefits but the other one is not affected :
mutualism
commensalism
competition
parasitism
25
Heavy rain or impervious soil can cause run off ?
True
False
26
Organisms both benefit from this relationship and neither is harmed.
commensalism
competition
mutualism
parasitism
27
25 jelly beans remained
Qualitative
Quantitative
28
Which one is a quantitative observation?
The water was hot.
The water was colourless.
The water was clear.
The water was at a temperature of 34oC.
29
Photosynthesis returns oxygen to the air?
True
False
30
An organism’s habitat is :
all the abiotic factors are suited to the organism’s survival
the place where the organism is at a point in time.
a place where the organism hunts for food.
the place where the organism lives.
31
Which of these human activities has a positive effect on food webs?
Removing introduced predators from an area.
Opening up an area of bushland for recreational activities.
Overfishing particular fish species causing a decline in numbers.
Introducing exotic species, such as rabbits and foxes.
32
The kilogram symbol is written as ?
KG
kg
kgs
Kg
33
Impervious soil allows percolation
False
True

Semester 1 revision Flashcards | StudBud