Chemistry
Physics
Biology
Energy
RANDOM
100

This smallest particle of matter has a charge because it lost or gained an electron.

What is an ion?

100

According to Newton, for every action there is this thing.

What is an equal and opposite reaction?

100

This is the powerhouse of the cell.

What are the mitochondria?

100

This is energy stored due to height above the ground.

What is gravitational potential energy?

100

This oscillation has characteristics like length, amplitude and hertz.

What is a wave?

200

This reactive type of atom is the classification of every element found on the left hand side of the periodic table.

What is a metal?

200

This equation finds force based on how quickly a mass accelerates.

What is F=ma?  (Newton's Second Law)

200

This organelle stores the genetic information.

What is the nucleus?

200

This is the energy due to motion.

What is kinetic energy?

200

This is how light appears when the the source is moving away from the observer.

What is red shifted?

300

This the small dense center of the atom.

What is the nucleus?

300

This can not be created or destroyed, only transformed or transferred, according to the laws of conservation.

What is energy?

300

The letters DNA stand for this.

What is Deoxyribonucleic Acid?

300

An unstable nucleus could emit these three types of nuclear radiation.

What are alpha, beta and gamma? 

300

This process joins two atomic nuclei in the sun.

What is fusion? (nuclear fusion)

400

A reaction between a metal and a non-metal produces this type of compound.

What is an ionic compound?

400

An object will not change velocity (accelerate) if all the forces acting on it are in this arrangement.

What are 'balanced forces'?

400

This process splits the cell twice to produce four daughter cells for the purpose of reproduction.

What is meiosis?

400

This property of matter keeps things moving as they are.

What is inertia?

400

This is why elements in the same column on the periodic table react in similar ways.

What is the same number of valence electrons?

500

This factor in a chemical reaction speeds it up, without being used up.

What is a catalyst?

500

The longer a pipe becomes the lower this aspect of the sound it can produce will go.

What is pitch?

500

This well established theory says that the fittest organisms in a population pass on their genes.

What is the theory of evolution by natural selection?

500

This is the value you get when current is multiplied by resistance.

What is voltage?

500

This is the type of evolution that occurs when unrelated organisms develop similar characteristics due to similar selective pressures.

What is convergent evolution?