Scientific Reasoning Flashcards
What should be used to accurately measure a small amount of liquid?
Pipette
What does ampere measure?
Electric current
What is the ampere symbol?
A
What does kelvin measure?
Thermodynamic temperature
What is the kelvin symbol?
K
What does candela measure?
Luminous intensity
What is the candela symbol?
cd
What does a mole measure?
The amount of substance at molecular level
deca (da)
10^1
hecto (h)
10^2
kilo (k)
10^3
mega (M)
10^6
giga (G)
10^9
tera (T)
10^12
deci (d)
10^-1
centi (c)
10^-2
milli (m)
10^-3
micro (u)
10^-6
nano (n)
10^-9
pico (p)
10^-12
What are the positive controls?
The variables expected to have an effect on the experiment
What are negative controls?
placebos
What is the formula to calculate percent yeild?
actual yeild/thepretical yeild x100