A wheel with a rope or belt around it. Helps a person lift or move something up, down, or across an area.

• wage

• axe

• pulley

• spin

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

A __________ is often used to hold Simple machine together.

• screw

• wage

• table

• plia

Igneous Rock that cools very quickly when it forms may have a texture that is

• smooth and shiny with no visible rain

• multicolored and banded

• course grained

• made up of jagged grains

Which of these is the best measure of how much space an object or substance takes up?

• mass

• volume

• length

• density

A food web is a more realistic model of the flow of energy through an ecosystem than a food chain because

• most organisms depend on more than one species for food

• each organism in a food chain represents multiple feedings

• most organisms depend on just one species for food

• each organism in a food web represents a single feeding

Tags

NGSS.MS-LS2-3

Which of the following has the greatest potential energy?

• a rock on the ground

• a rock twenty feet off the ground

• a rock being tossed

• a rock falling

Tags

NGSS.MS-PS3-2

When force is used to move an object across a distance, this is called________________________

• effort

• work

• effort

• power

Tags

NGSS.MS-PS3-5

Work is equal to _____________ multiplied by distance

• Power

• acceleration

• friction

• force

All of these are examples of a wheel and axle except_________

• pizza cutter

• windmill

• doorknob

• pulley

A lever that turns back and forth on a wheel is called_____________________.

• effort

• fulcrum

• work

• load

Tags

NGSS.MS-ETS1-1