Science Tools
Scientists Ask...
What We Observe
Experiments
Everyday Science
100

This tool helps scientists see very tiny things

What is a Microscope 

100

Before starting an experiment, scientists make one of these “educated guesses.”

What is a hypothesis?

100

Something you notice with your eyes, ears, or nose is called this.

What is an observation?

100

In an experiment, this is what you change on purpose.

What is a variable?

100

The Earth orbits around this star.

What is the Sun?

200

You use this to measure how hot or cold something is.

What is a thermometer. 

200

Scientists often start with this question word.

What is “why”?

200

If you guess why something happens, that is called an…

What is an inference?

200

The thing you compare to, or keep the same, is called the…

What is the control?

200

The solid, liquid, and gas states are all forms of…

What is matter?

300

This tool helps you measure liquids in milliliters.

 What is a graduated cylinder?

300

Scientists use their 5 of these to gather information.

What are senses?

300

A scientist records these during an experiment to look back at later.

What are data (or notes)?

300

Scientists repeat experiments many times to make sure they are…

What is accurate (or reliable)?

300

This force keeps us on the ground.

What is gravity?

400

Scientists wear these to protect their eyes

What are safety goggles?

400

The steps scientists follow to solve problems is called this.

What is the scientific method?

400

A picture or chart that shows information in a clear way.

What is a graph?

400

When scientists test only one thing at a time, they are keeping the experiment…

What is fair?

400

Plants make their own food through this process.

What is photosynthesis?

500

This tool helps you measure how heavy something is.

  • What is a scale?

500

A statement that has been tested many times and is accepted as true is called this.

What is a scientific theory?

500

When you notice a pattern in data and make a guess about the future, that’s called this.

What is a prediction?

500

At the end of an experiment, scientists write one of these to explain what they learned.

What is a conclusion?

500

This simple machine has a wheel and rope, and helps lift heavy things.

What is a pulley? 

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