Practice questions about simple experiments for 1st graders

📚 Topic Summary

Simple experiments help us learn about the world by testing things out! We can ask a question, make a guess (called a hypothesis), and then do an experiment to see if our guess was right. For example, we can see if plants grow taller with more sunlight or if some objects sink or float in water.

🧪 Part A: Vocabulary

Match the word with its meaning:

1. Experiment
2. Observe
3. Hypothesis
4. Data
5. Conclusion

1. What you think will happen in an experiment.
2. To watch something carefully.
3. The answer you get at the end of an experiment.
4. A test to find something out.
5. Information collected during an experiment.

📝 Part B: Fill in the Blanks

Use these words to fill in the blanks: sink, float, sunlight, grow, observe.

Plants need ________ to ________. To see if something will ________ or ________, put it in water and ________ what happens.

🤔 Part C: Critical Thinking

Imagine you want to find out if plants grow better with water or juice. How would you set up your experiment?