Vocab A
Vocab B
Vocab C
Vocab D
Vocab E
100
a measure of how much matter is in an object
What is mass
100
a state of matter that has no definite shape but has a definite volume
What is liquid
100
a loose collection of ice, dust, and small rocky particles, typically with a long, narrow orbit
What is a comet
100
the state in which one object's distance from another is changing
What is motion
100
the length of a path between two points
What is distance
200
the SI unit used for the magnitude, or strength, of a force
What is newton
200
the way in which acids react with some metals so as to eat away the metal
What is corrosive
200
the name often given to the four inner planets: Mercury, Venus, Earth, Mars
What are terrestrial planets
200
the basic particle from which all elements are made
What is an atom
200
the central region of the sun, where nuclear fusion takes place
What is the core
300
a pure substance made of two or more elements chemically combined
What is compound
300
the force that pulls objects toward each other
What is gravity
300
the rate at which velocity changes with time
What is acceleration
300
the process that occurs when vaporization takes place only on the surface of a liquid
What is evaporation
300
the outer layer of the sun's atmosphere
What is the corona
400
a model of the universe in which Earth is at the center of the revolving planets and start
What is geocentric
400
the possible explanation for a set of observations or answer to a scientific question
What is hypothesis
400
a dark area of gas on the sun's surface that is cooler than surrounding gases
What is a sunspot
400
a solid that is made up of crystals in which particles are arranged in a regular, repeating pattern
What is crystalline solid
400
speed in a given direction
What is velocity
500
an object that is thrown
What is projectile
500
a mixture containing small, undissolved particles that do not settle out
What is colloid
500
the tendency of an object to resist any change in its motion
What is inertia
500
a metal strip that conducts electricity
What is electrode
500
an object's combined kinetic energy and potential energy
What is mechanical energy
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