Module 1
Module 2
Module 3
Module 4
Bonus
100

Any factor that changes in an experiment

What is variable?

100

Anything that has mass and takes up space

What is matter?

100

This scientist was the first to argue that all matter was made from indivisible particles called atoms

Who was Democritus?

100

Substances that undergo a chemical change

What are reactants?

100

Atoms of an element with the same number of protons but different number of neutrons (Module 3)

What are isotopes?

200

A tentative explanation for an observation

What is hypothesis?

200

A pure substance that cannot be broken down into a simpler substance and contains only one type of atom

What is element?

200

The number of protons in an atom

What is atomic number?

200

A force of attraction between atoms or groups of atoms

What is a chemical bond?

200

Electrons that are in the highest energy level of an atom (Module 3)

What are valence electrons?

300

Observations made by using the 5 senses

What is qualitative observation?

300

The ratio of a substance's mass to its volume

What is density?

300

DAILY DOUBLE

The scientist that provided evidence for the existence of a dense, positively charged nucleus in the center of an atom

Who is Ernest Rutherford?

300

An atom or a group of atoms that has a positive or negative charge

What is ion?

300

DAILY DOUBLE

The physical property of a liquid to resist flowing is called

What is viscosity?

400

Conclusions based on observations, previous knowledge, and available information

What is inference?

400

The smallest unit of a chemical compound composed of two or more atoms bonded together

What is molecule?

400

The subatomic particle that has a negative charge

What is electron?

400

A notation indicating the elements in a compound and the ratios of the atoms of each element

What is chemical formula?

400

A homogeneous mixture made by dissolving one substance in another (Module 2)

What is solution?

500

DAILY DOUBLE!

An investigation in which the factors that influence the outcome are kept the same except for one, the factor being studied

What is controlled experiment?

500

Movement in gases and liquids that spreads out of particles

What is diffusion?

500

Matter cannot be created or destroyed, but it can change forms

What is Law of Conservation of Mass?

500

A chemical bond formed between oppositely charged ions

What is ionic bond?

500

A well-supported, in-depth explanation of a broad range of phenomena

What is scientific theory?

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