What do scientists do to learn about the world?
They ask questions and make observations.
What do engineers design?
They design solutions to problems.
What is matter?
Anything that takes up space.
What physical property describes how something feels?
Texture
What happens when you mix sand and water?
You make mud.
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.
What tool can help you build something?
A ruler, hammer, screw driver, nails, saw, etc.
Can you name a solid?
Rock, book, etc.
What is the shape, color, texture, and size of an object called?
A physical property
What is it called when two materials come together?
A mixture
How do you safely smell a substance in the science lab?
Waft the smell towards your nose.
What is a blueprint?
A plan for building something.
What is a liquid?
Takes the shape of the container or flows easily. Water or juice
What do we call how heavy something is?
Weight
Can you name a combination of two materials?
Salad (mixture of vegetables)
What is one thing you should do before starting an experiment?
Listen to your teacher’s instructions carefully.
What safety gear should you wear when using tools?
Goggles, gloves
What happens when a solid changes to a liquid?
What happens to ice when it melts?
It changes from a solid to a liquid.
What happens when you combine sugar and water?
The sugar dissolves.
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.
What is one way engineers test their designs?
By creating a prototype.
What happens when a liquid changes to a solid?
It freezes.
Why do we need to know about physical properties?
To help us describe and understand materials around us.
Why do we combine materials in science?
To create new substances or solutions.