What is the purpose of a controlled experiment?

Exploring Controlled Experiments in Biology

Interactive Video
•
Biology
•
6th - 10th Grade
•
Medium

Liam Anderson
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To observe natural conditions
To control all variables except one
To test multiple variables at once
To change all variables simultaneously
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a scientific hypothesis?
An untestable theory
A proven fact
An idea that explains a situation
A random guess
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in designing a controlled experiment to test fertilizer?
Get two plants of the same species
Place plants in different locations
Choose different species of plants
Use different types of soil
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to keep all conditions the same for both plants in the experiment?
To save time and resources
To test multiple variables
To make the experiment more complex
To ensure the fertilizer is the only variable affecting growth
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the only difference between plant A and plant B in the experiment?
Plant A gets more sunlight
Plant B gets more water
Plant A receives fertilizer
Plant B is in a larger pot
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How would you determine if your hypothesis is correct?
By moving the plants to different locations
By changing the soil type
By measuring the plants regularly
By observing the plants once
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do with the measurements taken during the experiment?
Only measure plant A
Change the experiment setup
Record and compare them
Ignore them
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