Measuring
How do you find the volume of a regularly-shaped, solid object?
Length x Width x Height
Convert 1,500g to kg
1.5kg
If matter can be physically separated, it is a(n)...
Mixture
How many sig figs does the number 100 have?
A graduated cylinder is used to take what kind of reading? (eg. mass, length, etc..)
Volume
Which unit is used in science to measure density?
g/cm3 or g/ml
Convert 30 liters to ml
30,000ml
If a mixture has a uniform composition throughout, it is a(n)...
Homogeneous mixture
Write the number 30.0 in scientific notation using the correct # of sig figs
3.00 x 101
What unit is used to measure length in science
What is the equation for density?
D=m/v
Convert 50 yards to meters (1 meter = 1.09yards)
45.72m
If a pure substance cannot be broken down into a different substance through a chemical reaction it is a(n)...
Element
What is 3.459 + 1.12 (give answer to correct # of sig figs)
4.58
What affects weight that does not have an effect on mass?
Gravity
If a graduated cylinder has a marking for every 1 ml, how many places after the decimal should your reading have if measuring in ml?
1 place after the decimal
Convert 1,700 mexican pesos to US dollars (1 USD = 20.10 Mexican Pesos)
84.58 Mexican Pesos
Well-made black coffee is an example of a(n)...
A. Element
B. Compound
C. Homogeneous Mixture
D. Heterogeneous Mixture
Homogeneous Mixture
How many sig figs does the following number have:
0.000200
3
What happened to King Henry?
He "died by drinking chocolate milk"
If a meter stick has markings every .1cm, how many places after the decimal should you reading have if measuring in cm
2 places after the decimal
How many hours are in 30,000 seconds? (1 hr= 60 minutes, 1 minute= 60 seconds) Show fractions
8.33hrs
Hydrogen gas (H2) is an example of a(n)...
A. Element
B. Compound
C. Homogeneous Mixture
D. Heterogeneous Mixture
Compound (Diatom)
What is 14.5 x 620 (give answer with correct sig figs)
9.0 x 103
What is the density of a box that is 2cm x 4cm x 10cm and has a mass of 20g (include units)
.25g/cm3