Energy made available by the flow of electric charge through a conductor.
What Is Electricity?
100
Ramps, Wedges, Screws, Levers, Wheels, Gears and Pulleys are all simple machines.
What Are The Seven Simple Machines?
100
The scientific study of stars, planets, comets, nebulae, star clusters and galaxies and phenomena that originate outside the Earth's atmosphere.
What Is Astronomy?
200
A regular pulse can be felt at severval points: Neck, Armpit, Inside of Elbow, Wrist, Groin, Behind Knee and Ankle
Where Can You Feel Your Pulse?
200
Lightning is caused by an electric potential difference being created between one cloud and another, or between a cloud and the ground,
When this buildup/lack is large enough, a large amount of energy has been stored. It all releases at one time, forcing an electric current through the sky and allowing the charges to equalise.
What Causes Lightning?
200
Eggbeaters, Staplers, Can Openers, Robots, The Hinges On A Garage Door, Bikes and Cars are all Complex Machines.
What Are Seven Complex Machines?
200
One tail is the comet's dust particles, the other is ionized gas from the comet coma.
Why Do Comets Have Two Tails?
300
An adult has 206 bones while an infant at birth may have 300-350 bones.
How Many Bones Are There In Your Body?
300
A battery is essentially a can full of chemicals that produce electrons. Chemical reactions that produce electrons are called electrochemical reactions.
What Is A Battery?
300
A Ramp
What Is Also Known As An Inclined Plane?
300
A large, old, luminous star; has a relatively low surface temperature and a diameter large relative to the sun.
What is A Red Giant?
400
Blood is dark red when de-oxygenated and bright red when oxygenated, our veins look blue because we are looking at them through our skin.
What Colour is Blood and Why Do Our Veins Look Blue?
400
Electrocution is the stopping of life by any type of electric shock, or execution by electricity.
What Is Electrocution?
400
Load / Effort
What is The Mechanical Advantage?
400
A faint star of enormous density
What is A White Dwarf?
500
The bladder holds between 12 and 16 ounces of urine. Normally you will feel the need to pee when the bladder contains about 8 to 10 ounces of urine.
How Much Urine Can Your Bladder Hold?
500
The series circuit is a single path for current to flow while Parallel circuits have more than one path for the current to flow.
What is The Difference Between A Parallel And A Series Circuit?
500
A ramp, spiralling around a metal cylinder.
A Screw Is?
500
A region of space resulting from the collapse of a star; extremely high gravitational field