A dependent variable is

something that a scientist measures

An independent variable is

something that is changed by a scientist

When lighting a Bunsen burner it is important that

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

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

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Yr. 7 Science - Nature of Science - Variables and Equipment

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Questions 18

Answers

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

Yr. 7 Science - Nature of Science - Variables and Equipment Flashcards | StudBud