Week One
Week Two
Week Three
Week Four
Week Five
100

This common baking ingredient is another name for sodium bicarbonate.

What is baking soda?

100

This is the smallest unit of matter that retains the properties of an element.

What is an atom?

100

This is the chemical symbol for calcium.

What is Ca?

100

Molar mass is found using this information from the periodic table.

What is atomic mass?

100

This is the substance that does the dissolving in a solution.

What is the solvent?

200

This type of mixture contains larger particles that will settle if left undisturbed.

What is a suspension?

200

This type of substance accepts hydrogen ions (H⁺) or releases hydroxide ions (OH⁻) in a solution and often tastes bitter or feels slippery.

What is a base?

200

This number tells you how many protons an element has.

What is the atomic number?

200

This number placed in front of a chemical formula shows how many units are involved in a reaction.

What is a coefficient?

200

This part of a nutrition label tells how much energy a serving provides.

What are calories?

300

This type of mixture has particles that stay evenly dispersed but are not fully dissolved.

What is a colloid?

300

These neutral particles are found in the nucleus and help keep the atom stable.

What are neutrons?

300

This term describes the amount of disorder or randomness in a system.

What is entropy?

300

This is the part of a chemical equation that shows the substances formed.

What are products?

300

This state of matter has no fixed shape or volume.
 

What is a gas?

400

This is a pure substance made of only one type of atom.

What is an element?

400

These two particles make up the nucleus of an atom.
 

What are protons and neutrons?

400

This type of chemical reaction releases energy, often as heat or light.

 What is an exothermic reaction?

400

This is the part of a chemical equation that shows the starting substances.

What are reactants?

400

This macronutrient has the highest calories per gram.

What is fat?

500

This is a group of two or more atoms chemically bonded together, forming the smallest unit of a substance that keeps its chemical properties.

What is a molecule?

500

This type of substance donates hydrogen ions (H⁺) in a solution and often tastes sour.

What is an acid?

500

This fact determines whether an element is solid, liquid, or gas at room temperature.

What is its state of matter?

500

This law states that matter is not created or destroyed in a chemical reaction.

What is the Law of Conservation of Mass?

500

This type of mixture has one substance dissolved evenly into another.

What is a solution?