True or False? when decimal moves left that means the number is a larger number and has a positive exponent.
True
True of False? a hypothesis is an educated guess.
True.
how many types of engery are there?
2
What is the first step for density problems?
write down what problem gives you
True or false? decimal notation is the traditional format for representing numbers?
True
what is the first step in metric unit conversion?
finding the decimal point on the number.
True of False? the controlled group is the group where something changes.
False.
What are the two types of energy used?
Potential energy
kinetic energy
what are the 3 components in a density problem?
mass - m density - d volume - v
_._ _ x 10^x units
when converting dg to hg how many places are you going to move your decimal?
3
how many parts are their to the scientific method?
7 parts
what is the definition for density?
density is the amount of matter present in a given volume of substance.
what id the equation for density problem?
d = m / v
what does it mean if a exponent is positive and negtive?
positive = large number
negtive = small number
Convert 0.000319 kg to cg
31.9cg
what are the 5 senses used in observation?
1.sight 2.hear 3.smell 4.touch 5.taste
What is the equation for density?
density = mass / volume
what is the second step for a density problem?
rearrange density equation to solve for unkown
convert 0.00684 mm to dam
0.000000684dam
what is the difference between an independent variable and a dependent variable?
independent variable - variable that changes
dependent variable - variable that is measured
What is the definition for energy?
energy is the ability to do work or produce heat
Solve. Calculate volume of object with a density of 8.73g/cm^3 and a mass of 15.9g
v = 1.82cm^3