Simple Machines
Which simple machine is made of first, second and third class?
Levers
Name the three lever types
First class, second class, third class
A force is a push or __________
Pull
What instrument is used to measure temperature?
Thermometer
Name three types of simple machines
Wheel and axle, lever, pulley, incline plane, screw, wedge
What does 'F.L.E.' stand for?
Fulcrum, load, effort
What force pulls objects toward Earth?
Gravity
What is the chemical symbol for water?
H2O
What type of simple machine is a ramp?
Incline plane
What type of lever is a spearthrower?
First class
Force is measured in
Newtons
Name the two types of eclipses
Solar and Lunar
Which simple machine is used to split wood?
Wedge
Type of lever that has the fulcrum in the middle
First class lever
What force goes against gravity (in the opposite direction)
Upward force
Which separation technique would be best to separate sand and water?
Filtration
What is the pivot point of a lever called?
Fulcrum
A third class lever has what in the middle?
Effort
If the forces acting on an object are balanced, what happens (two things can happen)?
It stays still or continues moving at a constant speed.
What is the tilt of the Earth (in degrees)?
23.5