Science Fair Basics
Variables & Hypothesis
Systems Thinking
Experiments & Data
Research and Sources
100

What is the first step of the Scientific Method?

Ask a question

100

What is a hypothesis?

A smart guess about what will happen

100

What do all systems have in common?

They have parts that work together

100

What is data?

Information collected during an experiment

100

What is a reliable source?

A source that gives true and accurate information

200

What is a System?  

A group of parts that work together

200

Which variable is the one you change on purpose?

The independent variable

200

What happens if one part of a system stops working?

The system may not work properly

200

Name one way scientists collect data.

Measuring, counting, observing, or recording

200

Is a .edu or .gov website usually reliable?

YES

300

Why do scientists do research before experimenting?

To learn information and plan a good experiment

300

Which variable is the one you measure or observe?

The dependent variable

300

Why are systems made up of smaller parts?

Each part has a job

300

Why is it important to record data carefully?

To make results accurate and trustworthy

300

Why is Wikipedia not always a good source by itself?

Anyone can edit it

400

What is one reason scientists repeat experiments?

To make results more accurate

400

What word is often used to start a strong hypothesis?

"If” (as in If… then… because)

400

How do parts of a system work together?

They depend on each other to work

400

What should you do if your results don’t match your hypothesis?

Explain what happened and what you learned

400

Name one way to tell if a source is trustworthy.

Check the author, date, or website type

500

Why is it important to keep some things the same during an experiment?

To make sure the test is fair

500

Why should a hypothesis be testable?

So it can be tested in an experiment

500

Why is understanding systems important in real life?

It helps us understand how things work in the world

500

Why are charts and tables helpful?

They make data easier to understand

500

Why should scientists use more than one source?

To make sure information is correct