Chemistry/Physics
The study of how atoms, molecules, and chemicals interact with each other
What is chemistry?
Anything that has mass and takes up space.
What is matter?
A combination of two of more substances that are not chemically combined.
What is a mixture?
A mixture in which the particles can't settle.
What is a colloid?
Convert 200m to cm.
20,000cm
The study of matter, energy, motion, and forces
The four categories in which Aristotle classified matter
What is earth, air, fire, and water?
The difference between heterogeneous mixtures and homogeneous mixtures.
Heterogeneous mixtures do not have a uniform distribution.
Homogeneous mixtures have a uniform distribution and appearance.
A mixture in which the particles can settle.
What is a suspension?
Convert 450,010mm to km
0.450010km
The study of the nonliving things that make up the world
What is physical science?
A substance of constant composition that possesses definite qualities.
What is a pure substance?
A way to separate mixtures using heat.
What is Distillation?
Explain the Tyndall Effect.
Light scattering because of colloids in the air or liquid.
Convert 5.2mi to km
1 mile = 1.609km
8.36km
Convert 120mm to meters
0.120m
The difference between elements and compounds.
Element: Pure substance that cannot be broken down further.
Compound: Pure substance made of two or more elements that are chemically combined.
A way to separate mixtures using paper or other materials to remove solid particles from a liquid mixture.
What is filtration?
Explain why the Tyndall Effect and sunsets are discussed together.
Sunsets happen because of the Tyndall Effect because the light from the sun bounces off the particles in the air to create the colors we see.
Convert 55cm to inches
1in = 2.54cm
21.65 in
Convert 25 inches to cm
1in = 2.54cm
63.5cm
Name 3 pure substances.
Sulfur, mercury, silver, bismuth, water, salt, olive oil, steel, gold, sugar, etc.
A method of separating mixtures into different components according to how different substances are absorbed.
What is chromatography?
The machine used to separate colloids.
What is a centrifuge?
Convert 564nm to pm
1nm = 1,000pm
564,000pm