Scientific Practices
Engineering Tools
Classifying Matter
Physical Properties
Combining Materials
100

What do scientists do to learn about the world?

They ask questions and make observations.

100

What do engineers design?

They design solutions to problems.

100

What is matter?

Anything that takes up space.

100

What physical property describes how something feels?

Texture

100

What happens when you mix sand and water?

You make mud.

200

Why is it important to wear goggles during experiments? What would happen if you didn’t?

To protect your eyes. You could harm your eyes.

200

What tool can help you build something?

A ruler, hammer, screw driver, nails, saw, etc.

200

Can you name a solid?

Rock, book, etc.

200

What is the shape, color, texture, and size of an object called?

A physical property

200

What is it called when two materials come together?

A mixture

300

How do you safely smell a substance in the science lab?

Waft the smell towards your nose.

300

What is a blueprint?

A plan for building something.

300

What is a liquid?

Takes the shape of the container or flows easily. Water or juice

300

What do we call how heavy something is?

Weight

300

Can you name a combination of two materials?

Salad (mixture of vegetables)

400

What is one thing you should do before starting an experiment?

Listen to your teacher’s instructions carefully.

400

What safety gear should you wear when using tools?

Goggles, gloves

400

What happens when a solid changes to a liquid?

It melts.
400

What happens to ice when it melts?

It changes from a solid to a liquid.

400

What happens when you combine sugar and water?

The sugar dissolves.

500

What should you do if you spill a chemical during an experiment?

Tell the teacher right away and go wash your hands with soap and water.

500

What is one way engineers test their designs?

By creating a prototype.

500

What happens when a liquid changes to a solid?

It freezes.

500

Why do we need to know about physical properties?

To help us describe and understand materials around us.

500

Why do we combine materials in science?

To create new substances or solutions.

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