Scientific Method
Name at least 6 steps in the scientific method.
Question
Research
Hypothesis
Experiment
Measurement and Data
Analysis
Conclusion
Share Results
Name three most commonly recycling materials.
plastic, cardboard, paper...
What are the three subatomic particles?
Protons, neutrons, and electrons.
Name the four states of matter.
Solid
Liquid
Gas
Plasma
What is the formula for density?
D = M/V
Density equals mass divided by volume.
The variable that remains constant in an experiment.
Control Variable
The average person generates ____ pounds of trash per day.
4
The distance between atoms determines a substance's ______.
Density
Name four gases at room temperature on the Periodic Table of Elements.
Oxygen, Nitrogen, Helium, Hydrogen, Florine, Chlorine, Argon, Krypton, Xenon, Radon, Neon
Name five physical properties of matter.
Color, state of matter, density, mass, luster, etc...
The variable that changes alone.
Independent Variable
A translucent synthetic material composed of thousands of polymer chains.
Plastic
Which two subatomic particles are found in the nucleus?
Protons and Neutrons
The periodic table is divided into these three types of materials.
Metals, nonmetals, and metalloids.
Name three chemical properties of matter.
Flammability, reactivity, corrosivity...
The variable that is measured and graphed based on observations and results.
Dependent Variable
What is the estimated percentage of recyclable materials that Americans throw away?
75%
Which subatomic particle, by amount, determines the identity of the atom?
Protons
Name the transition of a solid directly into a gas without passing through the liquid phase.
Sublimation
The SI unit of measurement for volume.
Milliliter/Liter
This line reflects an average through a scatterplot.
Line of Best Fit
Every three months, Americans throw enough _______________ in the landfills to rebuild our nation's entire commercial air fleet.
Aluminum
What does the word "atom" or "atomos", ironically, mean?
Indivisible/uncuttable
Einstein: "PSYCH!"
How is plasma created?
By superheating or supercharging a gas.
Name the two types of solids.
Type 1: gemstones, metal, etc...
Type 2: plastic, glass, rubber, etc...
Crystalline and Amorphous