History of the Earth
About how many years ago did the earth form?
5 billion years ago.
How many types of chemical reactions are there?
5
What kind of energy is sound?
Mechanical
Mitochondria
What is Ms. Smiths favorite music artist?
Taylor Swift
What are the 4 eras in order?
Hadeon, Archean, Proterozoic, Phanerozoic.
What are the different types of chemical equations?
Synthesis, Decomposition, Single Replacement, Double Replacement, Combustion.
What is the equation for calculating Wavelength?
λ = v/f.
What are the four differences between the plant cell, and the animal cell?
Lysosome, Centrioles, Chloroplast, and Cell Wall
How many labs have we done this year?
10 or 11
What is the difference in time between the Hadean and Proterozoic eras?
1.5 Billion years.
What type of reaction would this equation be?
(C3H8 + 5O2 -> 3CO2 + 4H2O)
Combustion.
What the base speed of sound?
343m/s
What is the difference between the Nucleus, and the Nucleolus?
One is the control center while the other is the assembly line for ribosomes.
What is the funnest lab we have done so far?
Anything as long as you said a lab we did.
How long was the phanerozoic era?
500 Million years ago - present day.
Balance this Chemical Equation, Cu2O+C -> Cu+CO2
2Cu2O+C -> 4Cu+CO2
What is the base speed of Light?
2.998*10^8m/s
What is the main difference between Mitosis and Meiosis?
Mitosis is always happening while Meiosis is not always happening.
What do you get if you mix Cobalt, Radon, and Yttrium?
Co, Rn, Y
At what point did multicellular organisms start to live on Earth?
1 Billion years ago.
Balance this Chemical Equation, NaOH + H2SO4 -> H2O + Na2SO4
4 NaOH + 2 H2SO4 → 4 H2O + 2 Na2SO4
Find λ if Hz=444, and V=343
λ = 0.77m
What is the lysosome?
It degrades materials from outside the cell.
What is Ms. Smiths birthday?
July 21st