This is a force that changes the motion of an object.
A) Energy
B) Work
C) Force
D) Power
C) Force
The object being lifted is the __________.
A) Effort
B) Fulcrum
C) Load
D) Force
Answer: C) Load
Another name for an inclined plane is a ____________.
A) Pulley
B) Wedge
C) Ramp
D) Lever
Answer: C) Ramp
At a school, you could see a pulley on a ______________.
A) Slide
B) Flagpole
C) Door
D) Window
Answer: B) Flagpole
The wheel and axle is made up of two parts: the wheel that turns on a post, which is called the __________.
A) Hub
B) Shaft
C) Axle
D) Spindle
Answer: C) Axle
You use a force to change the ________________ of an object.
A) Speed
B) Direction
C) Temperature
D) Color
Answer: B) Direction
The push or pull that turns a lever is the ____________.
A) Load
B) Effort
C) Fulcrum
D) Force
Answer: B) Effort
If you use an inclined plane, the distance is longer, but it takes less _______________.
A) Speed
B) Force
C) Effort
D) Time
Answer: C) Effort
The pulley uses a ____________ and rope to lift a load.
A) Lever
B) Wheel
C) Lever arm
D) Fulcrum
Answer: B) Wheel
You create a screw when you wrap an inclined plane into a _______________ around a pole.
A) Circle
B) Spiral
C) Curve
D) Coil
Answer: B) Spiral
This is a tool that makes work easier to do.
A) Hammer
B) Simple machine
C) Gear
D) Ruler
Answer: B) Simple machine
A lever is a board or bar that moves on a _______________.
A) Pivot
B) Fulcrum
C) Force
D) Load
Answer: B) Fulcrum
An inclined plane is a simple machine that is a flat surface that is ___________ at one end.
A) Curved
B) Raised/Higher
C) Hollow
D) Rotated
Answer: B) Raised/Higher
Two inclined planes placed back to back make this simple machine.
A) Wedge
B) Lever
C) Pulley
D) Screw
Answer: A) Wedge
Using a screw takes ______________ force than pounding a nail.
A) More
B) Equal
C) Less
D) The same
Answer: C) Less
Using a machine allows us to use ____________ force to move something.
A) More
B) Less
C) Equal
D) Increased
Answer: B) Less
Here’s a multiple-choice question for "What is fulcrum":
Question 1:
The point where the lever turns is the _____________.
A) Load
B) Effort
C) Pivot
D) Fulcrum
Answer: D) Fulcrum
In a wedge, force is used to raise an object or _____________ the objects apart.
A) Push
B) Split
C) Pull
D) Lift
Answer: B) Split
In a wheel and axle, the wheel makes a large circular movement, and the axle makes a ____________ movement.
A) Larger
B) Smaller
C) Faster
D) Slower
Answer: B) Smaller
A simple machine is a machine with _________________ moving parts.
A) Many
B) Few
C) No
D) Complex
What is few or no?
A lever can let you change direction of a force or it can change the amount of ______________ needed.
A) Speed
B) Distance
C) Effort
D) Time
Answer: C) Effort
Scientists think inclined planes may have been used to build the _______________ because the blocks were too heavy to move straight up.
A) Skyscrapers
B) Pyramids
C) Bridges
D) Monuments
Answer: B) Pyramids
A _________________ pulley makes work easier than a one-wheel pulley.
A) Simple
B) Fixed
C) Compound (multiple)
D) Movable
Answer: C) Compound/Multiple
Just like an inclined plane, a screw moves a longer distance, but less ____________ is needed.
A) Speed
B) Force
C) Time
D) Effort
Answer: B) Force