Grade 3 Science Practices Vocabulary
A worksheet to help third-grade students learn and practice key science practices vocabulary words.
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Standards
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Science Practices Vocabulary
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Read each question carefully and answer to the best of your ability. Use the vocabulary words you have learned about science practices.
Use the words below to complete the sentences.
1. When scientists look closely at something using their senses, they it.
2. Before doing an experiment, a scientist might what they think will happen.
3. To test an idea, a scientist will set up an .
4. After collecting information, scientists form a about what they learned.
5. A scientist might a problem to find out more about it.
6. A good scientific experiment always starts with a .
7. The information a scientist collects during an experiment is called .
8. An educated guess about what will happen in an experiment is called a .
9. Which word means to use your senses to gather information?
Predict
Observe
Conclude
Question
10. What do scientists do after they collect data?
Form a hypothesis
Make a prediction
Draw a conclusion
Ask a question
11. A hypothesis is always proven true at the end of an experiment.
True
False
12. Scientists use tools to help them observe things more closely.
True
False
13. Look at the image below. What is this tool used for in science?

14. Imagine you want to find out which type of soil helps a plant grow the tallest. What is one question you could ask to start your investigation?