Classifying Matter
Anything that has mass and volume.
What is matter?
Pure substances that cannot be broken down into simpler substances.
What is an element?
The force of attraction between two or more masses.
What is gravity?
The time it takes Earth to make one revolution around the Sun.
What is an Earth year?
Translate the expression:
2 less than a number, M.
What is M - 2?
The amount of matter in an object.
What is mass?
The chemical name for H.
What is Hydrogen?
A huge cloud of dust and gas in space where stars are born.
What is the Nebula?
The process by which a solid changes to a liquid.
What is melting?
32 + 22=
What is 13?
Measured using the spring scale, and the unit of measure is newtons.
What is weight?
The chemical symbol for Xenon.
What is Xe?
A group of stars that appear to form a pattern.
What is a constellations?
The changing of a gas to a liquid.
What is condensation?
-14 + 12=
What is -2?
The unit of measure for mass.
What is grams, milligrams or kilograms?
A substance formed from two or more elements creating a chemical combination.
What is a compound?
How bright a star appears to be from Earth.
What is apparent magnitude?
The temperature in which liquids turn to solids.
What is a freezing point?
22+ 42=
What is 20?
The amount of space matter takes up.
What is volume?
What is the chemical compound for iron oxide (rust).
What is FeO?
A rocky object that orbits the Sun but is to small to be a planet.
What is an asteroid?
The chemical name for NaCl.
What is sodium chloride?
-30 + 18=
What is -12?