Name the 6 types of simple machines we studied in this unit.
1. Lever 2. Wheel and axle 3. Pulley 4. Inclined plane 5. Wedge 6. Screw
What do we use a telephone for? A) To wash clothes B) To communicate with people C) To go from one place to another
B) To communicate with people
Discovery or Invention?
discovery
What tool does a painter need to do their job? A) A hose B) A paintbrush C) A screw
B) a paintbrush
Discoveries are things that we _______. A) Find B) Make C) Color
A) Find
Discovery or Invention?
Invention
True or False: A simple machine has many moving parts.
False. A simple machine has a few or no moving parts.
Inventions are things that we _______ that didn't exist before. A) Find B) Color C) Make
C) Make
What simple machine is this?
A screw
What tool does a firefighter need to do their job? A) A hose B) A paintbrush C) A screw
A) A hose
Is this a complex or simple machine?
Simple
How many parts do simple machines have?
One or two parts
We use a ____________ to lift objects.
Pulley
True or False: Complex machines make dificult or dangerous tasks easier.
True
We use a _______________ to cut objects.
Wedge
True or false: Tools and machines help people every day to make work more dificult.
False. Tools and machines help people everyday to make work easier.
What simple machine is this? A) Lever B) Pulley C) Wedge
C) Wedge
Discovery or Invention?
Invention
What do we call machines with more than two parts?
Complex Machines
Discovery or Invention?
Discovery
True or False: Some complex machines need electricity to work?
True
Is this a complex or simple machine?
simple
Is this a complex or simple machine?
Complex
Is this robot a complex or simple machine?
complex