The Method
Name of logical process scientists use to ask questions about the world
What is the Scientific Method?
The 2's in this chemical formula have names. They are a ____________ and _________________.
2H₂O
What are coefficient and subscript?
Classical three states of matter + 1 more
What are solids, liquids, gas, and plasma?
Two main parts that make up an atom
What are the nucleus and electron cloud?
The chemical symbol for gold
These are the factors that are kept the same in an experiment to make it fair.
2 (out of 7) crosscutting concepts of science.
What are (pick 2)?
1. Patterns
2. Cause and Effect
3. Scale, Proportion, and Quantity
4. Systems and System Models
5. Energy and Matter
6. Structure and Function
7. Stability and Change
Matter that has no definite shape but has a definite volume.
Liquid
Electrons in the outer shell; reactive
Valence Electrons
The name of the rows that tell you how many energy levels/orbitals an element has.
Periods
An educated prediction on what will happen in an experiment.
What is a hypothesis?
The part where you test your hypothesis.
What is an experiment?
A property that can be observed without changing the substance
What is a physical property of matter?
3 subatomic particles that make up an atom.
What are protons, neutrons, and electrons?
The "Mickey Mouse" molecule has what two elements in it?
What are hydrogen and oxygen?
This variable is the one that responds to the change and is measured by the scientist.
What is the dependent variable?
Luster (or how shiny an object is) is a _____________ property of matter.
What is physical property of matter?
Brrrr, it's cold outside. There must be _______________ because the gas in the air turned into frost on my windshield on the car parked outside.
What is deposition?
Center of an atom; contains proton and neutrons
What is the nucleus?
An element in group 14 has this many valence electrons in its outer shell.
What is 4?
This is the variable that you change on purpose in an experiment to test its effect.
What is the independent variable?
The particles in a solid move ____________ than in a gas.
What is slower?
Formula for density
Density = mass/volume
The number of protons in an atom; it determines the element. Found above chemical symbol on an element's cell.
What is the atomic number?
How many atoms are in this chemical formula for aluminum sulfate. Al₂(SO₄)₃
17 atoms