Oceans
Light & Sound
PEMDAS
Decimals
Miscellaneous
100
What is a compound?
It is a molecule made up of at least two different atoms.
100
What comes first in PEMDAS?
Parentheses
100
What are the three phases of matter?
Solid, Liquid and Gas.
200
How much of the earth is covered in water.
Around 73%
200
What is the mode.
The mode is the number that appears the most in a number sequence.
300
How much of the ocean has been explored?
Less than 5%
300
What is a good way to remember PEMDAS?
Please Excuse My Dear Aunt Sally.
300
What is the thinnest layer of the earth?
The crust.
400
What is another name for sound waves?
Compression waves.
400
What is the answer of this equation? (2+3)x7-15+(9-4)
25
400
What is this decimal number? 3.437
Three and four-hundred thirty seven thousandths.
400
What does the vacuole hold in a cell?
Water and nutrients.
500
What are the geological features of the ocean floor?
Continental shelf, Continental slope, Continental rise, Mid-ocean ridge, Abyssal plain, Trench and Sea mount.
500
What do you need to generate sound?
Matter and vibrations.
500
What is the order of operations?
Parentheses, Exponents, Multiplication or/and Division, Addition or/and Subtraction.
500
If you multiply decimals, where would the decimal go in the product?
As many spaces from the smallest digit to the decimal.
500
What is a simplified number for pi?
3.14 or 22/7.
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