This is science, not math.
The Earth
To the Laboratory!
Seriously, stop the math.
Density
100
What is the density equation?
Mass divided by volume (D=m/v)
100
How is the Earth divided?
Layers
100
What do you use to measure mass?
Scale
100
What is the density of an object with a mass of 10g and a volume of 5mL?
2g/mL
100
What does it mean if something the same size as something else is less dense?
Less matter in the same amount of space.
200
What is the mass equation?
Volume times density (m = v x D)
200
What are the four layers of the Earth?
Crust, Mantle, Outer Core, Inner Core
200
What do you use to measure volume of a square object?
Ruler
200
What is the density of an object with a mass of 20g and a volume of 5cm3?
4g/cm3
200
Would an object with a density of 5.4g/mL float or sink in water (1g/mL)?
Sink
300
What is the volume equation?
Mass divided by density (v=m/D)
300
How are mountains formed?
Earth's crust pushing against itself.
300
What do you use to measure volume of a liquid or irregular object?
Graduated Cylinder
300
What is the volume of an object with a length of 2cm, width of 1cm, and a length of 3cm?
6cm3
300
What would float in water (1g/mL): a block of wood (0.89g/mL) or a rubber ball (0.99g/mL)?
Both!
400
What is the unit for density?
g/cm3 or g/mL
400
What is the crust under the ocean called?
Oceanic Crust
400
What do you use to measure density?
Nothing, you do math for density.
400
What is the mass of an object with a density of 2g/mL and a volume of 10mL?
20g
400
Draw a less dense and more dense cube.
500
What is the unit for mass and the unit for volume?
g and cm3 or mL
500
What is the crust under the land called?
Continental Crust
500
What are the three steps for finding density?
1. Find Mass
2. Find Volume
3. Mass/Volume = Density
500
What is the volume of an object with a density of 3g/cm3 and a mass of 9g?
3cm3
500
What order would the following liquids appear in a density column (top to bottom)?
Water: 1g/mL
Honey: 4g/mL
Rubbing Alcohol: 0.8g/mL
Rubbing Alcohol
Water
Honey