Chemistry
What element smells like rotten eggs?
Sulfur
Does sound travel faster in water or air?
Air
What is the name for all the living and non living things in an area?
Ecosystem
What is the powerhouse of the cell?
Mitochondria
What does PEMDAS stand for?
Parentheses Exponent Multiplication/Division Addition/Subtraction
If you have 3 molecules of water, how many hydrogen atoms do you have?
6
What is the gravitational constant?
G = 9.8 m/s^2
What is the study of living things and their interactions with the environment?
Ecology
What do red blood cells carry?
Oxygen
What is the theorem that states a2 + b2 = c2?
Pythagorean Theorem
What is the tool used to heat solutions in a chemistry laboratory?
Bunsen burner
What is the law of conservation of energy?
Energy can neither be created nor destroyed
What is the largest source of renewable energy?
the sun
What is the pigment in our skin referred to as?
What numbers are part of a binary sequence?
0,1
Why does your tire pressure lower in the winter?
The lower temperature reduces the pressure of the gas particles against the walls of your tire
What does it mean if an object has a negative acceleration?
It is slowing down.
Do deciduous trees drop their leaves each fall or keep them year round?
Drop their leaves
How much ATP is produced in cellular respiration?
30-32
What is the equation of a line?
y = mx + b
What is the opposite of sublimation?
Deposition
How many types of friction are there?
2 (static and kinetic)
The word used to describe organisms that produce energy through photosynthesis
Autotrophs/producers
What percentage of the human body's energy is used up by the brain?
20%
Which mathematician had a fear of beans?
Pythagoras