Ch. 3 - Properties of Materials

While each step in the design cycle is important, Engineers ______ follow the same exact steps in the same order

• always

• don't always

When Engineers design something, they usually have multiple design goals.

• true

• false

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

A ________ is something you can see, smell, hear, feel, or taste about an ingredient.  A ________ can also be  something an ingredient can do.

• solid

• property

Tags

NGSS.MS-PS1-2

What might be good properties of hair gel?

• looks shiny and makes spikes

• smelly and makes hair fall out

Besides stickiness, what other property would we want glue to have, if we’re using it for construction projects?

• property of being strong

• 1. property of being weak

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

When testing glue strength, partner A put their paper clip into a tiny bit of glue, but partner B put their paper clip into a lot of glue, would the test be fair?

• Yes, the test would be fair because everything is the same.

• No, because if there are different amounts of the ingredient, one might be stronger than the other.

When we combine two or more ingredients, the mixtures can take on the properties of those ingredients.

• true

• false

A Scientist should have ________ of evidence to support the logic that the evidence is accurate.

• one source

• multiple sources

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-1

There may be different solutions to a design problem. What should you do to help show which one better meets the design goal?

• test and compare the solutions

• randomly pick out of a hat

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Mixtures can be designed for certain purposes by using ingredients   

with certain properties.

• true

• false