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School Projects
How to Turn a Question into a Science Project
Turn curiosity into a real experiment
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A science project begins with curiosity about the world, like why plants grow, how magnets work, or what makes ice melt faster. The goal is to turn a big wonder into a clear question you can actually test. This matters because a testable question helps you make a fair experiment instead of just looking up an answer. A good project shows what you changed, what you measured, and what you learned from evidence.
Key Facts
- A strong science project follows 5 steps: wonder, write a testable question, predict, plan the test, then run the experiment and record results.
- A testable question includes something you change and something you measure.
- Example transformation: Why do plants grow? becomes Does my plant grow taller with sunlight or in the dark?
- A hypothesis is a prediction that can be tested, often written as: If I change X, then Y will happen because Z.
- To make a fair test, change only one variable at a time and keep the other conditions the same.
- Growth = final height - starting height.
Vocabulary
- Testable Question
- A question that can be answered by doing an experiment and collecting data.
- Hypothesis
- A prediction about what will happen in an experiment, usually based on what you already know.
- Variable
- Something in an experiment that can change, such as light, temperature, time, or amount of water.
- Data
- The measurements and observations you collect during an experiment.
- Fair Test
- An experiment where only one main thing is changed so the results are easier to understand.
Common Mistakes to Avoid
- Writing a question that is too vague, like Why do plants grow? This is hard to test because it does not say what you will change or measure.
- Changing too many things at once. If you change light, water, and soil all together, you cannot tell which change caused the result.
- Skipping the hypothesis. A prediction helps you think clearly before the experiment and gives you something to compare with your results.
- Recording only what you remember at the end. Good science uses notes, numbers, dates, and drawings while the experiment is happening.
Practice Questions
- 1 Mia measures a bean plant at the start of an experiment and it is 6 cm tall. After 10 days in sunlight, it is 18 cm tall. How much did the plant grow?
- 2 A student tests whether paper towels absorb different amounts of water. Towel A absorbs 25 mL, Towel B absorbs 40 mL, and Towel C absorbs 30 mL. Which towel absorbed the most water, and how much more did it absorb than Towel A?
- 3 Turn this vague question into a testable science project question: What makes ice melt?