Simple Machines
Forces and Motion
Random Trivia
The Desert
Bill Nye presents...
100
This simple machine uses a wheel and rope to raise objects, such as a flag.
What is a pulley?
100
According to Newton’s second law, force equals mass multiplied by this quantity.
What is acceleration?
100
This singer’s albums include 1989, Reputation, and Midnights.
Who is Taylor Swift?
100
Covering much of northern Africa, this is the world’s largest hot desert.
What is the Sahara Desert?
100
When vinegar and baking soda react, they release this gas, which creates all those bubbles.
What is carbon dioxide?
200
Found on playgrounds, this equipment uses a lever with a fulcrum in the middle.
What is a lever?
200
The force that pulls objects toward Earth
What is gravity?
200
In tennis, this term describes a score of zero.
What is love?
200
These plants survive dry environments by storing water in their thick, fleshy leaves, stems, or roots.
What are succulents?
200
Located between Mars and Jupiter, this region contains millions of rocky objects.
What is the asteroid belt?
300
The spiral ridges on the lid of a jar make it an example of this simple machine.
What is a screw?
300
The force that resists sliding between two surfaces?
What is friction?
300
Traditionally used in hummus, this paste is made from ground sesame seeds.
What is Tahini?
300
Although most people think a desert is defined by high temperatures, it is defined by this.
What is lack of precipitation?
300
A roller coaster has the greatest amount of this stored energy when it reaches the top of a hill.
What is gravitational potential energy?
400
A bicycle uses this:
What is a chain?
400
When all forces acting on an object add up to zero, the object is said to be in this state.
What is equilibrium?
400
This is the only continent located in all four hemispheres.
What is Africa?
400
Desert foxes have oversized versions of these body parts, which help release heat.
What are ears?
400
When light changes direction as it passes from air into water, it undergoes this phenomenon.
What is refraction?
500
This type of simple machine helps you move an object upward using less force, but over a longer distance.
What is an inclined plane?
500
Measured in newtons, this is the combined result of all forces acting on an object.
What is net force?
500
Completed in 1869, this canal connects the Mediterranean Sea to the Red Sea.
What is the Suez Canal?
500
The Gobi Desert covers parts of China and this neighboring country.
What is Mongolia?
500
A solution with a pH of 3 has this many times more hydrogen ions than a solution with a pH of 5.
What is 100x more?