colors
what is white light?
a mixture of wavelengths
what wavelength does a blue shirt absorb?
orange
what scale does the pH run from? from what number to what number?
0 - 14
what pH does water have?
7 - neutral!!!
what is the (HER) name?
Neha!
a red solution absorbs which wavelengths and reflects which wavelengths?
absorbs green, reflects red
why are solar panels black?
so that they can absorb more light
acidic means there are ____ (many/less) hydrogen ions
many
true/false: soda is more acidic than lemon juice
False.
pronounce bromothymol.
BRO - MO - THY - mall (as in shopping mall)
a purple solution absorbs which wavelengths and reflects which wavelengths?
absorbs yellow
reflects purple!
what do items with colors absorb?
they absorb wavelengths.
pH measures the concentration of _____
hydrogen ions
is 0 on the scale acidic or basic?
acidic
what is a health benefit of eating purple cauliflower?
it prevents cancer!
what happens to the electrons when they absorb light?
they jump up the ladder!
they jump between energy levels.
what do you call the green pigment inside a leaf?
chlorophyll
basic means there are ____ (many/less) hydrogen ions
less
what excess gas in the air leads to ocean acidification?
carbon dioxide
whose mom has a garden with hydrangeas?
Sharika's mom
why is chlorophyll green?
because it is just the right wavelength to absorb JUST the right amount of light (without heating up too much)
picture this. it is christmas time, and your head is freezing. it is sunny outside, but the wind keeps you feeling extremely cold. you don't have a beanie to keep your head warm. you think to yourself, "oh, how I wish I had ______ colored hair."
BLACK
what happens when the blood is too acidic
kidney failure
do pink hydrangeas indicate that the soil is acidic or basic?
basic
what is the chemical compound that is found in all of these: red cabbage, purple cauliflower, berries, and eggplant
ANTHOCYANIN