Science Ch. 2 Review

What is the first step of the design process?

• Construct a prototype.

• Identify a problem to be solved.

• Do research

• Develop a possible solution.

A scientist uses what he knows to modify a wedge. The new invention will help keep roads clear of ice and snow in winter. What did the scientist develop?

• a new inquiry

• a new design process

• a new scientific method

• a new technology

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Which simple machine helps you to hold things together?

• a screw

• an inclined plane

• a pulley

• a wheel and axel

What can you do with a lever?

• lift up a box

• hold two boards together

• slice through an object

• turn an axel

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS2-2

Which of the following is an example of work?

• solving a math problem

• pushing a rock that does not move

• pushing on a bike pedal

• reading a book

Tags

NGSS.MS-PS3-5

An inventor decides on a solution to a problem. What happens next?

• He designs a prototype.

• He communicates his results.

• He redesigns the prototype.

• He does research.

Tags

NGSS.MS-ETS1-4

Which word means: the use of a force to move an object across a distance?

• lever

• work

• inclined plane

Tags

NGSS.MS-PS3-5

Which word means: a simple machine to lift and move things by using a stiff bar that rests on a support?

• lever

• pulley

• wedge

Which word means: the use of science knowledge to invent tools and new ways of doing things?

• screw

• design process

• technology

Tags

NGSS.MS-ETS1-4

Which word means: to look for facts about something?

• research

• technology

• prototype

Tags

NGSS.MS-PS1-3