Unit 1 Lessons 1-3 Science Review/Study Guide

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

• prototype

• conclusion

• product

• design

Tags

NGSS.MS-ETS1-4

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?

• think of solutions

• design a solution

• build a prototype

• record test data

Tags

NGSS.MS-ETS1-1

Lin built a prototype for a new toy race car. During testing, the car would move only a short distance before coming to a sudden stop. What should Lin do next?

• build a paper plane instead

• build and test a new toy car

• use her observations to redesign the car

• redesign the race car’s track and make it shorter

Tags

NGSS.MS-ETS1-4

NGSS.MS-ETS1-3

Before Wendy builds her prototype, she is sketching what it will look like. Which step of the engineering process is Wendy carrying out?

• thinking of ideas

• keeping good records

• designing a solution

• testing the prototype

Tags

NGSS.MS-ETS1-4

A company decides to make a new type of snow sled. The sled should slide easily but stop safely. What should the company do next?

• make changes

• test the design

• make a prototype

• think of solutions

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

Pablo designed a parachute that is intended to slow the fall of a toy rocket. He drew sketches of the design. What should Pablo do next?

• test the model

• construct the model parachute

• evaluate the design for revision

• collect and analyze the test results

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-4

Themba will build a bookcase for his room. Which decision does not need to be made before he starts building?

• how tall the bookcase should be

• how wide the bookcase should be

• how many books to put in the bookcase

• how many shelves should be on the bookcase

Sarah and Lily are testing their prototype of a paper airplane. It rises up at first but then crashes to the floor.

What should they do next?

• start over

• redefine the need

• keep better records

• redesign the prototype

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-4

NGSS.MS-ETS1-3

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

• Test the design.

• Build a test model of the boat.

• Identify needs the boat will have.

• Think of solutions to problems with the boat.

Tags

NGSS.MS-ETS1-1

Four students used craft sticks to build a bridge. It should hold a 5-kilogram (kg) weight without breaking. They tested their prototype, and it broke under the 5 kg weight. Now what should they do?

• lower the goal to 4 kg

• conclude that they cannot reach the goal

• rebuild the same prototype and test it again

• redesign the bridge and make a new model

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

NGSS.MS-ETS1-3