CKLA Unit 4 Eureka! Flashcard

A simple machine consisting of a circular object (wheel) attached to a rod (axle) that allows it to turn, making it easier to move or lift objects.

Clock was invented first.

True.

Paper was invented first.

A simple machine that is a spiral inclined plane, used to hold objects together or lift materials.

A flat surface that is tilted at an angle to help raise or lower objects.

A simple machine that is a piece of material with a sharp edge, used to split or cut objects apart.

A simple machine that consists of a wheel on an axle or shaft that is designed to support movement and change the direction of force.

To make work easier by allowing us to apply force in a more effective way.

Examples include a door handle (lever), a screw (screw), or a ramp (inclined plane).