GED Extended Learning · Day 1 · Independent GED preparation
Fair experiments
Interactive 15-question practice. Choose an answer on screen, then mark your worksheet to see what is correct and where to practise next.
Today’s goal
Practise one skill at a time.
How to use it
Choose every answer, then mark your work.
No pressure
A mistake shows what to learn next.
A note from Sanet
“Every question you work through is proof that you are choosing your future. Take one steady step at a time. I believe in you.”
Much love, Mam xxx
Your worksheet progress
0 of 15 answers chosen
- 1
Read each detail and choose the best answer: In a fair experiment, what should change between groups?
- 2
What should you check before choosing an answer? Think again about: In a fair experiment, what should change between groups?
- 3
Which practice step belongs in your next review? This supports fair experiments.
- 4
Check your understanding with this question: What is a control group?
- 5
What reasoning makes this answer reliable? Think again about: What is a control group?
- 6
Which action will make your answer stronger? This supports fair experiments.
- 7
Apply this topic’s key idea: What is the independent variable?
- 8
Which idea connects this question to the skill you are learning? Think again about: What is the independent variable?
- 9
Which study habit will help most with this skill? This supports fair experiments.
- 10
Use the core skill to solve this: Why repeat trials?
- 11
Which detail proves the answer is correct? Think again about: Why repeat trials?
- 12
What should you use to check your thinking? This supports fair experiments.
- 13
Work through this practice problem: Which is a testable hypothesis?
- 14
Which explanation best supports the answer? Think again about: Which is a testable hypothesis?
- 15
What is the calmest first step for this kind of question? This supports fair experiments.
Ready to check your thinking?
Choose every answer first, then use the feedback with kindness.
Print page · worked answers
Answer guide and explanations
Check your work with kindness. A missed answer shows you exactly where to practise, not what you are capable of.
01Answer: Only the variable being tested
Changing one factor allows you to connect differences in results to that factor.
02Answer: Changing one factor allows you to connect differences in results to that factor.
The key idea is: Changing one factor allows you to connect differences in results to that factor.
03Answer: Name what changes.
A strong next step is to name what changes.
04Answer: A comparison group without the tested change
The control gives you a baseline for comparison.
05Answer: The control gives you a baseline for comparison.
The key idea is: The control gives you a baseline for comparison.
06Answer: Name what is measured.
A strong next step is to name what is measured.
07Answer: The factor the scientist changes
The independent variable is deliberately changed to test its effect.
08Answer: The independent variable is deliberately changed to test its effect.
The key idea is: The independent variable is deliberately changed to test its effect.
09Answer: Keep other conditions the same.
A strong next step is to keep other conditions the same.
10Answer: To make results more reliable
Repeated trials help show whether a result is consistent rather than accidental.
11Answer: Repeated trials help show whether a result is consistent rather than accidental.
The key idea is: Repeated trials help show whether a result is consistent rather than accidental.
12Answer: Name what changes.
A strong next step is to name what changes.
13Answer: If plants receive more light, then they will grow taller.
It predicts a measurable relationship that can be investigated.
14Answer: It predicts a measurable relationship that can be investigated.
The key idea is: It predicts a measurable relationship that can be investigated.
15Answer: Name what is measured.
A strong next step is to name what is measured.
You are building a future with every page you finish.
Much love, Mam xxx