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:
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
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
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.