What is the largest organ in the human body?
Skin
What does ice float in water?
Ice is less dense
What does STEM stand for?
Science, Technology, Engineering, and Math
What is the charge of an electron?
-1 or negative
3y+5-5=20-5
(x/5)+7=-3
x+y=?
y=5, x=50
55
What is the longest bone in the human body?
What organism made oxygen first?
Cyanobacteria
What makes soda bubbly?
Carbon Dioxide
What two elements make up table salt?
NaCl- sodium and chlorine
List 5 prime numbers
some examples: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
How many teeth do most adults have?
32
What are the 4 main components of air?
Nitrogen, oxygen, argon, and carbon dioxide (and water vapor)
What determines the color of the object we see?
The wavelengths of light that the object reflects
What element has the symbol Au?
gold
List at least 7 digits of pi
3.141592(65359...)
What are the stages of cell division (mitosis)?
Prophase, prometaphase, metaphase, anaphase, and telophase
Where do earthquakes occur?
Along fault lines
Why does it take longer to cook something on top of a mountain?
The atmospheric pressure decreases with altitude and the boiling point of a liquid is directly proportional to the atmospheric pressure.
Type of chemical reaction where two or more reactants form one product.
Synthesis
6 x (12÷4)+8-2=
24
What is the equation for photosynthesis?
6CO2 + 6H2O+light → C6H12O6 + 6O2.
What is the earth shape?
Oblate spheroid
(if you say flat its -500 points)
The average human body contains __ times more bacterial cells than human cells
an estimated 10x more
Have characteristic of both metals and nonmetals.
Metalloids
If...
1+4=5
2+5=12
3+6=21
8+11=?
40 or 96
Solution 1: Add the equation, then combine the sum to that of the previous equation
Instead of just adding, this second solution involves multiplying the second number of the equation by the number you are adding to it. ex: 2+ (2 x 5)=12