Measuring Tools
Metric Prefixes
Unit Conversions
Density
Safety
100
Ruler
measures length/distance
100
base metric unit for length/distance
meter
100
How many grams are in 1.5kg?
1500g
100
How do we calculate density?
mass divided by volume
100
Name one piece of clothing that should not be worn during labs
sandals
shorts
oversized shirts
etc.
200
Measures mass
200
Metric unit meaning "one thousand"
kilo
200
How many centimeters are in 1m?
100cm
200
What is the density of water?
1g/mL
200
Who is responsible for lab safety?
everyone
300
Measures volume
300
base metric unit for mass
gram
300
How many liters are in 1mL?
0.001L
300
If wood floats in water, that means it has a density _________ than water
less than
300
A glass beaker falls on the floor and breaks....oops. What should you do?
tell your teacher right away
400
What simple tool would be best used to measure the width of our classroom?
measuring tape
400
Metric unit meaning "one thousandth"
milli
400
How many milligrams are in 2kg?
2,000,000mg
400
An ice cube with a volume of 10cm3 has a density of 0.9g/cm3. What is the density of an iceberg with a volume of 10,000m3?
0.9g/cm3
400
Is a glass beaker with a small chip in it OK to use as long as we're careful?
no
500
I measure an apple on a triple beam balance and find the mass to be 100g. I then launch the apple and balance to the moon (where there is much less gravity than here on Earth) and measure it again. Will the apple have more, less, or exactly the same amount of mass on the moon?
exactly the same
500
Metric unit meaning "one hundredth"
centi
500
What is the mass of 1L of water?
1kg
500
A block of wood has a density of 0.4g/cm3. What would happen to the density of the wood if it got run over and squished flat by a steam roller?
the density would increase
500
Your teacher fall unconscious, what do you do?
tell another adult