Unit 1 Science 3rd grade

____ is someone who designs, develops, and improves technology by using the engineering design process.

• Scientist

• Engineer

• Teacher

• Priest

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

This ___process includes exploring a problem, making and testing solutions, and improving a solution.

• contsraint

• hypothesis

• engineering design

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

___ is human-made devices or systems that meet a want or need.

• Technology

• Solutions

• constraint

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

___ is the desired features of a solution.

• constraint

• criteria

• solution

• hypothesis

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

When you design a __, you need to know what it must include or be able to do. These desirable features are the criteria

• limitations

• engineer

• Solution

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

The first step in a design process is to find a problem.

• Problem

• Solution

• Materials

• Constraint

Your school bought recycle bins to put in each class to reduce the amount of garbage going to the landfill. On Fridays, students collect the bins. Sometimes, the bins are so heavy they are hard to lift easily and safely. You and your classmates have been asked to find a way to easily and safely move the bins on Fridays.

Which of these is a criteria that the solution needs to meet?

• They must be labeled with the word recycle.

• The bins must be easy to lift.

• It must be ready by Friday.

• The bins must be safely moved.

Tags

NGSS.3-5-ETS1-1

NGSS.3-5-ETS1-2

There are times you need to bring more supplies to school than usual. Not all backpacks are big enough to hold all your supplies and they can be hard to carry. It is important that the backpack closes. You don't want your supplies to fall out!

What is the problem?

• The backpack is too small.

• The supplies can't fall out.

• You need more supplies than your bag will hold.

Tags

NGSS.3-5-ETS1-1

There are times you need to bring more supplies to school than usual. Not all backpacks are big enough to hold all your supplies and they can be hard to carry. It is important that the backpack closes. You don't want your supplies to fall out!

What is the criteria?

• The bag is too small

• The bag must close.

• The bag must hold all of your supplies.

Tags

NGSS.MS-ETS1-1

A model used for testing is called a ___

• technology

• Prototype

• sample

Tags

NGSS.MS-ETS1-4