Science Test

Question 1

The regular name or word people use to describe a particular substance. Examples: salt, rust, baking soda

Answer 1

Common Name

Question 2

The “official” name of a substance. Examples: sodium chloride, iron oxide, sodium bicarbonate

Answer 2

Chemical Name

Question 3

The shorthand way of writing the name of a substance using special abbreviations and numbers. Capitalization and placement of numbers matter! Examples: NaCl, Fe2O3, NaHCO3

Answer 3

Chemical Formula

Question 4

Substances that can’t be broken down into anything simpler.

Answer 4

Element

Question 5

The list of elements where they are arranged in a particular order. Elements are grouped with elements with similar properties.

Answer 5

Periodic Table

Question 6

A vertical column of elements in the periodic table. Elements in the same group have similar properties.

Answer 6

Group

Question 7

A horizontal row of elements in the periodic table.

Answer 7

Period

Question 8

The abbreviation for each element.
Examples: H, Pb, Ca
These are either one or two letters. The first one is always capitalized and if there is a second one, it is always lowercase.

Answer 8

Chemical Symbol

Question 9

The official number for each element. The periodic table is arranged with elements’ _____________ going in increasing order from left to right and top to bottom.

Answer 9

Atomic Number

Question 10

A pure _________ is made from one type of particle.

Answer 10

Substance

Question 11

An ____ is the smallest particle of an element. A piece of gold is only made from atoms of gold. The smallest amount of an element is one ____.

Answer 11

Atom

Question 12

Atoms can be combined in different ways and amounts to make new ________ that have different properties than the original elements.
magnesium: soft metal that burns brightly
sulfur: yellow rocky solid that smells like bad eggs
oxygen: invisible odorless gas in the air
But combine them into MgSO4 and you have Epsom Salt

Answer 12

Compound

Question 13

A ________ is the smallest particle of a compound. They are made of two or more atoms.

Answer 13

Molecule

Question 14

A process where starting substances (reactants) form new substances (products). Atoms from the reactants are recombined into new combinations to make the products.

Answer 14

Chemical Reaction

Question 15

______ is anything that has mass and volume.

Answer 15

Matter

Question 16

The amount of matter that makes up an object. Common units of mass are milligrams (mg), grams (g), and kilograms (kg).

Answer 16

Mass

Question 17

The measure of gravity pulling on mass.Common units are pounds (lb) and newtons (N).

Answer 17

Weight

Question 18

The amount of space something takes up. Common units are milliliters (mL), cubic centimeters (cm3 or cc), liters (L), gallons, pints, quarts, and ounces.

Answer 18

Volume

Question 19

The curve that appears when using a graduated cylinder to measure the volume of a liquid.

Answer 19

Meniscus