What is the use of science knowledge to invent tools and new ways of doing things?
Technology
100
People on ships once had to use the stars to navigate. Today, we have GPS. This is an advancement in what kind of technology?
Transportation
100
This simple machine is also called a ramp
inclined plane
100
Two slanted sides that end in a sharp edge.
Wedge
100
Which of the following is an example of work?
-solving a math problem
-pushing a rock that does not move
-pushing on a bike pedal
-reading a book
pushing on a bike pedal (the pedal actually moves)
200
Something with one or two parts designed to make work easier
simple machine
200
X-rays allow us to see the inside of the human body without opening it. This is an advancement in what kind of technology?
Medicine
200
This simple machine is an inclined plane wrapped around a center spot.
Screw
200
A round wheel attached to a post
Wheel and Axel
200
What simple machines can be found inside of a lawn mower?
-Wedge (blades)
-Wheel and Axel (wheels)
300
What is the use of a force to move an object across a distance?
Work
300
Scientist discovered that viruses and bacteria can cause disease. This led to the development of vaccines. This is an advancement in what type of technology?
Medicine
300
This simple machine changes the direction of motion for an object. It applies force to pull up or down.
Pulley
300
This simple machine is used to raise a flag on a poll
pulley
300
What kind of simple machine is a nail? Why?
wedge
400
A push or pull against an object is a...
force
400
Cameras, calculators, appliances and cars are all examples of advancements in what type of technology?
Computer Technology
400
This simple machine is a stiff bar that rests on a support. It can be used to lift.
Lever
400
This simple machine can be used to life up a box or something heavy
lever
400
Fingernail clippers is a complex machine made up of multiple simple machines. What simple machines are in them?
Lever and wedge
500
What are vaccines
Medicines that protect you from disease
500
Something made up of multiple simple machines and different parts is called a...
Complex machine
500
This simple machine helps you hold things together