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Floating & Sinking Notesp. 52 Floating & Sinking Notes
I. Buoyancy Ability to floatArchimedes’ principle – buoyant force = weight of fluid displaced
A solid block of steel sinks when placed in waterA solid block of steel sinks when placed in water. A steel ship with the same weight floats.
II. Density Mass per unit volume“How much stuff in a specific amount of space”
1. Examples: a) Mass = 50 g, Volume = 5 mLb) Mass = 100 g, Volume = 10 cm3
2. Comparing Densities Density of pure water = 1 g/mLIf an object is MORE dense, it will _____ If an object is LESS dense, it will _____ If it has EQUAL density, __________ sink float suspends
Density - Floating and SinkingChanges in density cause a submarine to dive, rise, or float.
1) Which has the greater density?Coke Diet Coke They have the same density Not enough information
2) Assuming this is a tank of pure water… What is the density of Coke?< 1 g/mL > 1 g/mL = 1 g/mL Not enough information
3) Which block has the higher density?They’re the same Not enough information
4) Calculate the density: Mass = 10 g; Volume = 10 mL1 g/mL 10 g/mL 100 g/mL Not enough information
5) Identify the unknown substance if Mass = 20 g; Volume = 20 mLGold Air Water Methanol
6) What property determines whether an object floats or sinks?Weight Density Temperature Speed
NOTES—WHAT IS DENSITY? Density is the amount of mass per unit of volume; it describes how much matter is packed into a space.
Chapter 17 Review Properties of Matter.
Determining Density Notes
Chapter 14 Buoyancy.
Properties of Fluids Buoyancy: Floating and Sinking SCI 8: Fluids Unit Curriculum Outcomes Addressed: - Describe situations in life where the density of.
11-1/11-2: Pressure and Floating & Sinking
What is Buoyancy? Buoy = float (in Latin) Archimedes discovered this with the golden crown.
Section 2: Floating and Sinking How can you predict whether an object will float or sink in a fluid? What is the effect of the buoyant force?
The tendency or ability of an object to float.
Chapter 11 – Forces in Fluids
Properties of Fluids Fluids Unit. Properties of Fluids During the Fluids Unit, we will be learning about the following properties of fluids: – Density.
Pg. 82 Floating and Sinking
Floating and Sinking.
Buoyancy Properties of Matter.
Floating and Sinking Think about this…
Topic 6: Buoyancy.
DENSITY & BUOYANCY. BUOYANCY BUOYANCY = the ability to float in a fluid. Examples of fluids = water, air BUOYANT FORCE = the upward force that acts on.
Matter Chapter Twelve: The Physical Properties of Matter 12.1 Density 12.2 Buoyancy 12.3 Properties of Materials.
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