Vocabulary/ Science principles
Types of changes
Mixtures/ substances
atoms
random
100

Matter can be found in what three different states?

Gas, solid & liquid

100

Particles are spaced the farthest apart in what state of matter?

Gas

100

What word describe one or more substance combined in a solution?

Mixture

100

What two particles are found in the nucleus of an atom?

Neutrons & protons

100

What color is a goldfish?

orange

200

_________ containing one type of atom or molecule

Substance

200

Magnetism, solubility, and malleability are examples of what type of change?

Physical

200

What are the two types of mixtures?

Heterogenous & homogenous

200

How many protons are found in the element gold?

■For 100 more how many electrons?


79 for both

200

What is Ms. Jolita's favorite color? (there are two...pick one)

yellow or pink

300

______________________ are unique characteristics that help identify a substance and distinguish one substance from another

Properties

300

What factors affect solubility?

Particle size, temperature, & stirring

300

What are the two parts to a solution?

Solute & solvent

300

How many neutrons are found in the element Titanium?

26 (subtract the atomic mass from the atomic number) 48-22
300

What is my favorite animal?

elephants

400

_________ to completely dissolve in a solvent.

Solubility

400

What are the three types of solutions?

gas, solid, liquid

400

■What words are used to describe liquids that cannot be mixed like oil and water?

Polarity or immiscible

400

Is carbon considered a substance? Why?

Yes! A substance that has one type of atom. Carbon is on the periodic table.

400

What is the next major holiday?

halloween

500

What factors affect density?

Mass & Volume

500

Based on your understanding, is sugar soluble in water? why or why not

Yes, because the water and salt have the same polarity and the salt dissolves into the water.

500

Name three substances that are soluble in water

Sugar, salt, chlorine, etc

500

Why can we talk about the properties of a substance, but it would be impossible to talk about the properties of a mixture?

Substances only have one type of molecule or atom, so the properties are easier to identify. Mixtures have more the type of atom or molecule. All the substances might not be easier to identify.

500

What is the formula for density? Solve the problem. A piece of metal has a mass of 60 g and a volume of 3〖cm〗^3, what is the density of the metal?

■D=m/v 

■20 g/cm3