1) A ________ __________is a device with few or no moving parts that makes work easier. a) simple machine b) compound machine c) box car d) purse 2) A _____________ _________________ is made up of two or more simple machines that work together. a) grade book b) screw c) lever d) compound machine 3) An ___________ ___________ is a slope or ramp that makes it easier to move a load up or down. a) screw b) incline plane c) television d) baseball 4) The ______ is the object that is being lifted. a) milkshake b) timer c) load d) money 5) A ______is a spiral inclined plane that is used to hold objects together. a) Mr. Naylor b) screw c) wheel d) plane 6) Some examples of inclined planes can include _______, wheelchair ramps, and even ladders. a) baseball b) rectangle c) slides d) books 7) A _____is made up of two inclined planes that can push objects apart or hold them together. a) wedge b) lion c) corndogs d) pelican 8) A ______ is a bar rested on a support, called a fulcrum, that lifts or moves loads. a) wheel b) screw c) pulley d) lever 9) A wheel with a rod called an ______ through the centre can help to move a load. a) screw b) axel c) pulley d) scissor 10) A _____is a rope wrapped around a wheel used to move objects up and down or back and forth. a) pencil b) wedge c) incline plane d) pulley 11) A _____ is the support that a lever rests and pivots (moves) on. a) wedge b) stick c) fulcrum d) cup 12) What is this simple machine? a) wedge b) screw c) pulley d) lever 13) What is this simple machine? a) screw b) lever c) wheel and axel d) incline plane 14) What is this simple machine? a) inclined plane b) pulley c) wheel and axel d) screw 15) What is this simple machine? a) screw b) inclined plane c) wheel and axle d) lever 16) What is this simple machine? a) wheel b) axle c) inclined plane d) lever 17) What is this simple machine? a) inclined plane b) screw c) pulley d) baseball 18) Some examples of pulleys can include flag poles, blinds or curtains, and sails on sailboats. a) True b) False 19) Some examples of objects with inclined planes can include bicycles, cars, and ceiling fans. a) True b) False 20) Some examples of levers can include door handles, crowbars, and bottle openers. a) True b) False

Simple machines

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？