Science Unit 2 Test

Engineers must build a model of a design to find out how well it actually works. What is another word for this model?

• prototype

• design

• product

Tags

NGSS.MS-ETS1-4

What is meant by the word design?

• to take plans and drawings and make a prototype using them

• to take materials such as wood and metal and shape them into something

• to conceive an idea and prepare plans and drawings for it to be built

Tags

NGSS.MS-ETS1-1

A cellular phone is designed to help people communicate. How would a cellular phone be classified?

• as a system

• as a process

• as a product

Metersticks, screwdrivers, and calculators are all used to shape, build, or produce other things. How can these objects be grouped?

• as tools

• as systems

• as processes

Trains, railways, and safety signals at rail crossings all work together to move goods and people from place to place. What do all of these parts make up?

• a design

• a process

• a system

What is the first step a student should take when designing a new boat?

• Identify needs the boat will meet.

• Build a test model of the boat.

• Test the design.

Tags

NGSS.MS-ETS1-1

Mr. Sharpe is concerned because the old wooden steps outside his house are becoming loose. He wants to design a safer set of steps. What should Mr. Sharpe do first?

• record test data

• build a prototype

• brainstorm solutions

Tags

NGSS.MS-ETS1-1

Every technology has some risks. For example, cars cause some types of air pollution. Which best shows technology and its risk?

• cell phones: air pollution

• light bulbs: wrist injuries

• computer games: less exercise

Roads, sidewalks, traffic signs, and cars work together to move people and goods from place to place. What is this an example of?

• a product

• a system

• a process

Tags

NGSS.MS-LS2-3

Errol wants to design and build a structure that will protect tomato plants from heavy rains while still letting in sunlight. He comes up with four ideas. Which one would best help him meet his design goal?

• a wooden case

• a clear plastic box

• a cardboard covering

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3