Density
Buoyancy
States of Matter
Random
100

Formula to find density

D = m/v

100

Buoyancy is whether something can ___ in water

float

100

Matter has ___ and ___

Mass; Volume
100

What are the primary colours

Cyan/Magenta/Yellow

(Red/Blue/Yellow also works)

200

Units for density (solids)

g/cm3

200

What is displacement

How much water an object displaces


200

What are the three states of matter

Solid, Liquid, Gas

200

Whats a Hypothesis

An educated guess

300

Unit for density (Liquids/solids with irregular shape)

g/mL

300

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

300

Give an example of a gas

Possible Answers:

- air

- carbon

(mentors decide if answer works)

300

What is an independent variable

The variable that is being changed in the experiment

400

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)

400

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 

400

Give an example of non-newtonian fluid

Hint: remember last weeks activity!

Possible Answers:

- Ketchup

- Oobleck

400

How many planets are in the solar system

8

500

Name one real life use for density

Possible Answers:

- Gold Mining

- Blood Seperation

- Strawberry DNA Extraction

- Layered towers

500

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



500

Does temperature increase or decrease when a solid becomes a liquid

Increase

500
What is 1+1 

2