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Physical Science Solids and Fluids Review Game
Archimedes' Principle is also known as what?
Archimedes' Principle is also known as what?
The Law of Bouyancy
What is the unit for force? (like buoyant force)
What is the unit for force? (like buoyant force)
Newtons
According to Archimedes' Principle, how are buoyant force and the weight of displaced fluid related?
According to Archimedes' Principle, how are buoyant force and the weight of displaced fluid related?
They are equal!
Why does shape help determine if something will float?
Why does shape help determine if something will float?
Broader shape = more buoyant force, so the object can float
Buoyant force and the weight of displaced fluid are both equal to what?
Buoyant force and the weight of displaced fluid are both equal to what?
The apparent change in weight of the object!
What is hardness?
What is hardness?
resistance to scratching
What is elasticity?
What is elasticity?
an object's ability to stretch then go back to its original shape
What is tensile strength?
What is tensile strength?
measure of how much stress a material can withstand before breaking.
List all six properties of solids we discussed in class!
List all six properties of solids we discussed in class!
malleability, tensile strength, hardness, brittleness, elasticity, and density
If something has very LOW elasticity, it probably is exhibits what other property?
If something has very LOW elasticity, it probably is exhibits what other property?
Brittleness, the tendency to shatter before stretching
Do fluids have density?
Do fluids have density?
YES!
Which are fluids: solids, liquids, and/or gases
Which are fluids: solids, liquids, and/or gases
gases AND liquids
What is buoyant force?
What is buoyant force?
The upward pushing force of a fluid on something that is floating in it.
Define fluids
Define fluids
matter with molecules that can flow over eachother
Are density and viscosity different? If so, how?
Are density and viscosity different? If so, how?
Yes! They are different! Viscosity is resistance to flow, and density is the amount of matter in a given volume.
Units for mass
Units for mass
grams
Units for volume
Units for volume
mL or cm3
Units for Density
Units for Density
g/mL OR g/cm3
Equation for density
Equation for density
D = m/v
Solve: what is the volume of something that is 20g and 10g/mL?
Solve: what is the volume of something that is 20g and 10g/mL?
V = m/d = (20g) / (10g/mL) = 2mL
How and why do solids differ?
How and why do solids differ?
They have different properties, including density, brittleness, hardness, elasticity, malleability, and tensile strength
How and why do things float?
How and why do things float?
They either have a LOWER density than the fluid they are floating in, or their shape gives them enough buoyant force pushing up.
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What Would You Like To Risk?
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Go To The Final Question
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