Grade 4 Science: Understanding Experiments
A worksheet for 4th graders to learn about the scientific method and the components of a simple experiment.
Includes
Standards
Topics
Understanding Experiments
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Read each question carefully and answer to the best of your ability. This worksheet will help you understand how scientists conduct experiments.
1. The first step in the scientific method is to ask a .
2. A hypothesis is an educated about what might happen in an experiment.
3. The variable that you change on purpose in an experiment is called the variable.
4. The variable that you measure or observe in an experiment is called the variable.
5. Things that you keep the same in an experiment are called .
6. Which of these is NOT a step in the scientific method?
Form a hypothesis
Watch TV
Analyze data
Draw conclusions
7. What is the purpose of an experiment?
To prove your hypothesis is always right
To test a hypothesis
To make a mess
To guess without thinking
8. It is important to change many variables at once in an experiment.
True
False
9. Scientists always get the results they expect in an experiment.
True
False
10. Imagine you want to find out if plants grow taller with more sunlight. What would be your independent variable and dependent variable in this experiment?
Independent Variable:
Dependent Variable:
11. Why is it important to have a control group in an experiment?