PLTW Material World

What is a material?

• an object made of matter

• something you put in an ice cream cone

• an orange

• a cool event

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

All materials have ___________________.

• freckles

• moles

• properties

• problems

Tags

NGSS.MS-PS1-2

What are properties?

• All the TikToks in the universe

• all the pieces of land that a person owns

• qualities of matter such as color, shape, size, temperature or weight

• the dust that collects on our textbooks while not in school

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Properties help __________________.

• everyone

• no one

• describe materials

• you with your homework

Tags

NGSS.5-PS1-3

A scientist who studies the properties and application of materials is called a(n)

• Biologist

• Anthropologist

• Computer Scientist

• Materials Scientist

Tags

NGSS.MS-PS1-3

A Materials Scientist ______________________.

• alters the Earth's axis.

• programs computers.

• improves existing materials.

• never sleeps.

Tags

NGSS.MS-ETS1-3

NGSS.MS-PS1-3

In the 1100s, Material Scientists discovered that, by heating iron in a furnace with charcoal, you can turn iron into_______________.

• coal.

• salt.

• glass.

• steel.

Tags

NGSS.MS-PS1-5

Steel made for better weapons and tools, because it's

• a harder and less malleable metal than iron.

• shinier.

• softer and more malleable metal than iron.

• easily dug out of the ground.

Tags

NGSS.MS-ETS1-1

What did Materials Scientists improve on the cell phone?

• the glass

• the battery

• data plans

• the buttons

Tags

NGSS.MS-PS1-3

The particles of which two elements were exchanged to make the glass on cell phones stronger?

• bananas and salt

• potassium and sodium

• mercury and titanium

• hydrogen and sodium