Question 1
A student tests how different amounts of fertilizer affect the growth height of tomato plants. What is the independent variable in this experiment?
Correct Answer:
The amount of fertilizer added
Question 2
An investigation measures the time taken for sugar crystals to dissolve in water at different temperatures. Which of the following is the dependent variable?
Correct Answer:
The time taken for the sugar to dissolve
Question 3
Which of the following variables must be kept constant (controlled) when investigating how light intensity affects the germination rate of radish seeds?
Correct Answer:
The moisture level and temperature of the seed tray
Question 4
What is the main purpose of including a control group in a scientific experiment?
Correct Answer:
To provide a baseline standard for comparison with experimental groups
Question 5
A line graph shows water temperature rising steadily from 20°C to 80°C over 10 minutes when heated. What was the average rate of temperature increase per minute?
Correct Answer:
6°C per minute
Question 1
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About this Exam

Prepare with the VALID Science 8 Practice Questions - NSW VALID Science 8 Assessment (Stage 4 Year 8 Science) Exam practice quiz. This question bank includes 100 questions covering water, energy, light, student, and inside. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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VALID Science 8 Practice Questions - NSW VALID Science 8 Assessment (Stage 4 Year 8 Science) Exam

This practice set contains 100 questions from the matching question bank and focuses on water, energy, light, student, and inside. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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