Web viewREVIEW. MACHINES. We need machines. A machine is something we use to. make work easier....

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REVIEW. MACHINES. We need machines. A machine is something we use to make work easier. Simple machines have few or no moving parts. There are six simple machines:

Transcript of Web viewREVIEW. MACHINES. We need machines. A machine is something we use to. make work easier....

Page 1: Web viewREVIEW. MACHINES. We need machines. A machine is something we use to. make work easier. Simple machines have few or no moving parts. There are six simple

REVIEW. MACHINES.We need machines. A machine is something

we use to make work easier.

Simple machines have few or no moving parts.There are six simple machines:

Page 2: Web viewREVIEW. MACHINES. We need machines. A machine is something we use to. make work easier. Simple machines have few or no moving parts. There are six simple

What kind of simple machines are these? Write the name

below PICTURE

Complex Machines Complex machines are simple machinesworking together.

1. THERE ARE 2 SIMPLE MACHINES IN THIS COMPLEX MACHINE: A______________ AND AN___________ __________.

2. SCISSORS IS A SIMPLE MACHINE. ____________________________________

COMPLEX MACHINES NEED ENERGY TO WORK. THIS ENERGY COMES FROM:

1) HUMAN FORCE

Page 3: Web viewREVIEW. MACHINES. We need machines. A machine is something we use to. make work easier. Simple machines have few or no moving parts. There are six simple

WRITE THE NAME OF THE COMPLEX MACHINES BELOW THE PICTURES

BYCICLE

WEIGHT

WHEEL BARROW

COMPLEX MACHINES NEED ENERGY TO WORK. THIS ENERGY COMES FROM:

COMPLEX MACHINES NEED ENERGY TO WORK. THIS ENERGY COMES FROM:

2) ELECTRICITY

3) fuel

Page 4: Web viewREVIEW. MACHINES. We need machines. A machine is something we use to. make work easier. Simple machines have few or no moving parts. There are six simple

A robot is a machine that can do work withoutthinking. Robots use electricity and can be controlled by

people using computers. There are robots in space to investigate soil,rocks and the atmosphere in other planets.

Page 5: Web viewREVIEW. MACHINES. We need machines. A machine is something we use to. make work easier. Simple machines have few or no moving parts. There are six simple