A horizontal row going accross the periodic table.
What is a period.
100
A state of matter with a definite shape and volume.
What is a solid.
100
The measure of the gravitational pull on an object.
What is weight.
100
The point at which a solid becomes a liquid.
What is melting point.
100
The part of the scientific method in which the scientist describes what is learned, whether the hypothesis is supported and what would be the next step.
What is a conclusion.
200
Elements in the same vertical column in the periodic table.
What is a group/family
200
A state of matter with a definite volume but no definite shape.
What is a liquid.
200
How do you measure the density of an object?
What is mass/volume.
200
The freezing and melting point of water.
What is 0 degrees celcius.
200
Two or more substances together but not chemically combined, in which you can observe the different parts.
What is a heterogeneous mixture.
300
The number of protons and electrons in an element.
What is atomic number.
300
A state of matter with no definite shape or volume.
What is a gas.
300
The amount of space that an object takes up.
What is volume.
300
The point at which a liquid becomes a solid.
What is freezing point.
300
The average kinetic energy in a substance.
What is temperature.
400
A tiny, negatively charged subatomic particle, found outside the nucleus.
What is an electron.
400
Any substance that can flow.
What is a fluid.
400
The measurement of how much mass of a substance is contained in a given volume.
What is density.
400
A change in which one or more substances combine or break apart to form new substances.
What is chemical change.
400
A chemical reaction in which energy is given off.
What is an exothermic reaction.
500
The center of an atom containing protons and neutrons.
What is a nucleus
500
Anything that has mass and takes up space.
What is matter.
500
The amount of matter contained in a object.
What is mass.
500
The change in state from a solid directly to a gas without passing through the liquid state.
What is sublimation.
500
A pure substance made of two or more elements chemically combined.