Complex machines are made of different simple machines.
EXAMPLES
 |
| Bike |
 |
| Scissors |
 |
| Wheelbarrow |
 |
| Stapler |
 |
| Fishing rod |
We use complex machines every day. They've got different uses.
AT HOME
 |
| Fridge |
 |
| TV |
 |
| Washing machine |
Some complex machines need electricity to work. Other complex machines get energy from batteries or from people.
 |
| Bikes need energy from people. |
 |
| Computers need electricty |
 |
| Remote control |
 |
A torch needs batteries.
MACHINES THAT NEED ENERGY FROM BATTERIES
|
 |
| Remote control |
 |
Lego WeDo 2.0.
|
ENERGY FROM PEOPLE
 |
| Hammer |
 |
| Knife |
ENERGY FROM ELECTRICITY
 |
| Drill |
 |
| Oven |
 |
| Microwave |
VOCABULARY