Density
Formula to find density
D = m/v
Buoyancy is whether something can ___ in water
float
Matter has ___ and ___
What are the primary colours
Cyan/Magenta/Yellow
(Red/Blue/Yellow also works)
Units for density (solids)
g/cm3
What is displacement
How much water an object displaces
What are the three states of matter
Solid, Liquid, Gas
Whats a Hypothesis
An educated guess
Unit for density (Liquids/solids with irregular shape)
g/mL
If an object displaces an amount of water ___ to its own weight, the buoyant force will be ___ to gravity and it will ____
First two blanks: Equal/more/less
Last Blank: Float/Sink
1.Equal
2.Equal
3.Float
Give an example of a gas
Possible Answers:
- air
- carbon
(mentors decide if answer works)
What is an independent variable
The variable that is being changed in the experiment
Density is important because it allows us to determine what substances will ___ and what substances will ___ when placed in a liquid.
float; sink
(either order)
Give an example of Buoyancy
Possible Solutions:
An ice cube floating in a glass of water
A swimmer in a pool
A lifesaver buoy floating in the ocean
Give an example of non-newtonian fluid
Hint: remember last weeks activity!
Possible Answers:
- Ketchup
- Oobleck
How many planets are in the solar system
8
Name one real life use for density
Possible Answers:
- Gold Mining
- Blood Seperation
- Strawberry DNA Extraction
- Layered towers
Name one real life use for Buoyancy
Possible Answers:
Ships, submarines and other things such as buoys rely on buoyancy
Spacecrafts and airplanes also use buoyancy to shift their altitudes
Oil rigs use buoyancy to keep themselves afloat
Does temperature increase or decrease when a solid becomes a liquid
Increase
2