# 1
1. What does it mean to "define operationally" in an experiment?
Making a guess about what will happen
Describing an observation based on measurable aspects
Changing all variables in an experiment
Scientific Skills
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Scientific Skills
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Sekolah Rendah 5
Sains
Scientific Skills
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# 2
2. In an experiment, the variable that is deliberately changed is called the:
Responding variable
Controlled variable
Manipulated variable
Constant variable
# 3
3. What is the purpose of a hypothesis?
To summarize the experiment results
To predict a relationship between variables that can be tested
To keep the experiment fair
To record measurements and observations
# 4
4. Which of the following is an example of a hypothesis?
"The paper towel absorbed more water in 30 seconds."
"If plants get more sunlight, then they will grow taller."
"I measured 20mL of water into the cup."
"The experiment was done on Monday."
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