Chemistry
These are the 3 states of matter.
What are solid, liquid, and gas?
What is the chemical equation for water?
H20
What is a renewable energy source?
(The definition, not an example)
An energy source that naturally replenishes itself.
What is a non renewable energy source?
(The definition, not an example)
An energy source that has a finite, limited amount.
What are the 3 subatomic particles called?
Protons, Neutrons, and Electrons
What is the Law of Conservation of Mass?
Matter can not be created or destroyed.
Give an example of a non renewable resource.
Coal, oil, natural gas, etc
Give an example of a renewable resource.
Hydropower, wind, solar, geothermal
What is the difference between physical vs chemical change
How do you calculate the number of neutrons that an element has?
Atomic Mass- Atomic Number
Name a greenhouse gas.
Carbon dioxide, water vapor, methane, nitrous oxide
Why are using fossil fuels not good for the environment?
Answers will vary
Name a property of metals.
Hard, good conductor of electricity, shiny, malleable, ductile
Where are the more reactive elements located at on the periodic table?
On the left side.
What renewable energy source do you think is the best?
(Answer must be a complete sentence with a complete reason.)
Answer will vary.
What is one pro and con of using solar energy?
Pro-cleaner energy, renewable, etc
Con- expensive, climate dependant
During a closed system reaction, a powder that weighs 20g is mixed with a solution that weighs 75g.What would the weight of the product be?
95g
Name a noble gas.
Helium, Neon, Argon, Krypton, Xenon, Radon
Answers will vary.
Name something you can do to reduce the amount of greenhouse gases you put in the air.
Answers will vary.