
Understanding Fair Tests and Variables
Authored by Manisha ARORA
Science
7th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to conduct a fair test in an experiment?
To get random results
To ensure accuracy and reliability
To change multiple things at once
To make the experiment more difficult
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an investigable question?
What is the best plant in the world?
What happens to plant growth if we add fertiliser?
Why do plants need sunlight?
Can plants feel emotions?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should a good scientific question always include?
A random guess
Something that cannot be tested
A testable and measurable factor
A yes or no answer
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the independent variable in an experiment testing fertiliser on plant growth?
The height of the plant
The amount of fertiliser added
The amount of sunlight
The type of soil used
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which variable is the dependent variable in the fertiliser experiment?
The type of plant used
The amount of water given
The plant’s growth (height)
The size of the pot
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we need a control in an experiment?
To make the experiment harder
To compare changes against something unchanged
To make sure all plants grow the same
To speed up the experiment
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a controlled variable in a plant growth experiment?
The amount of fertiliser added
The type of plant used
The plant’s height over time
The number of leaves growing
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