3rd Grade Lesson 1: How Do Scientists Investigate Questions?

Open Ended

Why is it important for scientists to ask questions about the world around them?

Multiple Choice

Which of the following is an example of making an observation as a scientist?

• Noticing that a boat has more than one sail

• Guessing how many boats are in the water

• Thinking about what might happen next week

• Ignoring the details of the boat

Multiple Select

Which of the following actions are part of exploring and investigating in science?

• Predicting what will happen

• Classifying objects

• Ignoring evidence

• Making and using models

Multiple Choice

A statement that could answer your question and can be tested is called a ___.

• hypothesis
• prediction

• investigation

• conclusion

Multiple Choice

A planned way of finding answers to questions is an __________________________.

• inference

• investigation

• conclusion

Multiple Choice

A _____________________ is a test done to gather evidence during an investigation.

• variable

• observation

• experiment

Multiple Choice

When you use your senses to notice details, you are _______________________.

• observing

• concluding

• experimenting

Multiple Choice

If your dog chooses not to eat the dog food he normally loves and doesn't seem as active as normal, you might _______________________ that he isn't hungry or may be sick.

• experiment

• infer

• model

Multiple Choice

The factor that is changed in an experiment is called a ________________.

• prediction

• hypothesis

• variable

Multiple Choice

A ____________________ is a statement that could answer your question and is actually where you right down your prediction.

• observation

• conclusion

• hypothesis

Multiple Choice

When you use what you know to tell what you think will happen, you are making a ____________________.

• prediction

• experiment

• investigation

Multiple Choice

The five senses you use to make observations are seeing, hearing, tasting, feeling, and ___________________.

• thinking

• smelling

• planning

Multiple Choice

After you analyze the results of an experiment, you make a conclusion.

• True

• False

Multiple Choice

During an experiment, it is important to change at least three variables at time.

• True

• False