A dependent variable is

something that a scientist measures

When lighting a Bunsen burner it is important that

a heat proof mat is placed under the Bunsen burner., the work space is tidy and free from inflammable material., long hair is tied back.

A controlled variable is

something that is kept the same

In the experiment below, what is the dependent variable?

Length of time taken for a candle to burn out

An independent variable is

something that is changed by a scientist

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Strands of Science, Variables and Equipment

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Questions 18

Answers

1
A dependent variable is
something that a scientist measures
something that a scientist predicts
something that a scientist changes
something that a scientist keeps the same
2
When lighting a Bunsen burner it is important that
the gas is turned on before the match is lit.
a heat proof mat is placed under the Bunsen burner.
the work space is tidy and free from inflammable material.
long hair is tied back.
3
When measuring out solids in the lab you should use
a spatula
a pipette
your fingers
a spoon
4
Physics is the study of
living organisms.
matter and chemicals.
forces and energy.
5
When transferring small amounts of liquid you should use a
conical flask
pipette
beaker
measuring cylinder
6
The brand of science involved in the study of living organisms is
Chemistry
Biology
Palaeontology
Physics
7
Which piece of lab equipment is shown below?
A retort stand
A beaker
A measuring cylinder
A tripod
8
A controlled variable is
something that cannot be predicted
something that is kept the same
something that is changed
something that is measured
9
In the experiment below, what is the dependent variable?
Length of time taken for a candle to burn out
The type of match used to light the candle
The length of the candle before starting the experiment
The conditions in the lab the experiment was conducted in
10
Identify the controlled variable in the gummy bear experiment
The size the gummy bear swelled to
The difference between the two gummy bears (wet and dry)
The colour of the gummy bear
11
In the science test next week the dependent variable is
which form you are in.
who completes the test first.
the questions set in the test.
the mark you get in the test.
12
What piece of lab equipment is shown below?
Tripod
Bunsen burner
Tongs
Retort stand and clamp
13
What piece of scientific equipment is shown below?
Test tube
Bunsen burner
Retort stand
Tongs
14
In the experiment below, what is the independent variable?
Width of candles
Time taken for candle to burn out
The conditions under which the experiment was completed
The brand of candle
15
An independent variable is
something that is measured by a scientist
something that is kept constant by a scientist
something that is predicted by a scientist
something that is changed by a scientist
16
Name the piece of lab equipment shown below
Measuring cylinder
Beaker
Cup
Conical flask
17
Identify the independent variable in the experiment below.
The amount of light
The rate at which the plants grow
They type of plant
How much water that are given
18
When lighting a Bunsen burner it is important to make sure that
the air hole is open so the flame has enough air.
one person uses the match and one person turns on the gas.
the air hole is closed.

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