It’s the thing that gets dissolved, like salt in water.
What is a solute
100
While it’s not closest to the sun, this inner planet’s dense carbon dioxide atmosphere makes it by far the hottest.
What is Venus?
100
The Italian physicist Galileo is credited with being the first to measure this by dividing the distance traveled by the time it takes.
What is Speed?
100
Organisms like bacteria, fungi and earthworms that break down dead or decaying material.
What are Decomposers?
100
English 17th Century physicist, astronomer and mathematician best for his three fundamental laws of motion.
Who is Sir Isaac Newton?
200
The smallest unit of an element that still retains all the chemical properties of that element.
What is an atom?
200
Located between 2.2 and 3.2 astronomical units (AU) from the sun, this feature separates the four inner planets from the four outer ones.
What is the Asteroid Belt?
200
The difference between the starting and ending position of a moving object, this measurement necessarily contains both a speed and a direction. (e.g. 60 km/h to the north).
What is Velocity?
200
Organisms, including humans, that can't make their own food supply, and must eat other things, like plants or other animals, to survive.
What are Heterotrophs?
200
Danish physicist, whose contributions to understanding atomic structure and quantum theory, won him the 1922 Nobel Prize in Physics
Who is Nehls Bohr
300
Measure of a pure substance containing the same number of chemical units as there are atoms in exactly 12 grams of carbon-12.
What is a mole?
300
Bounded by the stratosphere and the Earth’s surface, this atmospheric layer is where all weather occurs.
What is the Troposphere?
300
The downward pull of gravity on a body equal to the mass of the body, or what dieters are trying to lose.
What is Weight?
300
Organisms like green plants and algae that can synthesize their own food from inorganic substances using light or chemical energy.
What are Autotrophs?
300
Army physician and later US Surgeon General whose work to control mosquito borne yellow fever and malaria made possible construction of the Panama Canal.
Who is William C. Gorgas?
400
“Johnny was a chemist’s son, but Johnny is no more. What Johnny drank as H2O was S2SO4.” It’s the chemical name for what Johnny drank.
What is Sulfuric Acid?
400
Beginning at an altitude of some 85 kilometers, this atmospheric layer gets very hot because of solar radiation’s effect on the particles found there.
What is the Thermosphere?
400
Often confused with size and weight, this refers to the amount of matter, that in a given object.
What is Mass?
400
Rabbits, deer, cows, horses, and other herbivores that feed on green plants or parts of plants.
What are Primary Consumers?
400
This African-American Research Chemist discovered how to make synthetic cortisone from yams to ease the suffering of rheumatoid arthritis patients.
Who is Percy Julian?
500
Formerly known as inert gasses, this chemical series contains the elements helium, neon, argon, krypton, xenon, and radon. All are odorless, colorless, conduct electricity, and fluoresce.
What are Noble Gasses?
500
Located at the divergent boundary of two tectonic plates, this is where magma rising from Earth’s mantle lays down new oceanic crust.
What is the Mid-Ocean Ridge?
500
The resistance of any physical object to any change in its state of motion, including changes to its speed and direction. It is the tendency of objects to keep moving in a straight line at constant velocity.
What is Inertia?
500
Vascular seed producing plants in which the ovule (egg) is fertilized and develops into a seed in an enclosed hollow ovary which is usually enclosed within in a flower.
What are Angiosperms?
500
English chemist and X-ray crystallographer whose research revealed the double helix structure of the DNA molecule. She was cheated out of her share of the 1962 Nobel Prize for Medicine and Physiology.