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Grade 3
Scientific Methods
1. Advanced Investigation
1.1 Investigation Design, Controlled experiments
Design Controlled Experiments and Run Fair Tests in Science
You will learn how to change one variable at a time, keep everything else the same, and discover what really causes results in a science experiment.
What You'll Learn
You change only one variable to keep experiments fair always.
You identify independent, dependent, and controlled variables clearly.
You form a hypothesis before testing and check it after.
You repeat experiments so your results are reliable and trustworthy.
What You'll Practice
1
You will identify variables and what makes experiments fair tests.
2
You will match vocabulary like hypothesis, data, and conclusion correctly.
3
You will design fair experiments by controlling the right variables.
Why This Matters
Knowing how to design a controlled experiment helps you find real answers to science questions by testing one variable at a time and trusting your results.
This Unit Includes
1 Video lesson
Practice exercises
Learning resources
Skills
Controlled Experiments
Fair Test
Variables
Hypothesis
Data Collection
NS Curriculum Aligned