A
B
C
D
E
100
A measure of how bright a star would be if it were from a standard distance.
What is absolute magnitude?
100
The movement of carbon from the nonliving environment into living things and back.
What is carbon cycle?
100
The ratio of the mass of a substance to the volume of the substance.
What is density?
100
The smallest unit of an element that maintains the properties of that element.
What is atom?
100
A substance made up of atoms or ions of two or more different elements joined by chemical bonds.
What is compounds?
200
The brightness of a star as seen from Earth.
What is apparent magnitude?
200
An event in which the shadow of one celestial body falls on another.
What is eclipse?
200
A force of attraction between objects that is due to their masses.
What is gravity?
200
A small body that gives off gas and dust as it passes close to the sun.
What is comet?
200
A property of matter that describes a substance's ability to participate in chemical reactions.
What is chemical property?
300
A vertical column of elements in the periodic table.
What is group?
300
A change that occurs when one or more substances change into entirely new substances with different properties.
What is chemical change?
300
In a scientific investigation, the factor that is deliberately manipulated. The one thing that is changed on purpose.
What is independent variable, test variable, or manioulated variable.
300
A small, rocky object that orbits the sun. Mostly located between the orbits of Mars and Jupiter.
What is an asteroid?
300
The factor that changes as a result of manipulation of one or more independent variable. The item that is measured in an experiment.
What is dependent variable or outcome variable?
400
A green pigment that captures light energy for photosynthesis.
What is chlorophyll?
400
Describes something that uses Earth as the center or reference point.
What is geocentric?
400
The number of protons in the nucleus of an atom.
What is atomic number?
400
A measure of the amount of matter in an object.
What is mass?
400
The capacity to do work.
What is energy?
500
The state of matter that has a definite volume but not a definite shape.
What is liquid?
500
Anything that has mass and takes up space.
What is matter?
500
Describes something that uses the Sun as the center or reference point.
What is heliocentric?
500
A subatomic particle that has a negative charge.
What is electron?
500
The process by which cells use oxygen to produce energy from food.
What is cellular respiration?
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