Chapter 2 and 3 quiz
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a meniscus? | the curve at the surface of a liquid
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| What is matter? | anything that has mass and takes up space.
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| what is volume mesured in? | liters and mililiters
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| how do you find the volume of an irregularly shaped object? | water displacement
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| waht is the difference between weight and mass? | mass is how much matter is in something, and weight is the amount of gravitational force of the object.
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| what is weight measured in? | newtons
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| the tendency of matter to resist change in motion | inertia
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| can physical properties be measured without changing the matters energy? | yes
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| what are some examples of physical properties? | thermal conductivity, state, density, solubility, ductibliity, malleablity
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| the amount of maa in the volume of a substance | density
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| what is the formula for density? | m/v
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| do physical changes form new substances? | no
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| do physical changes change the identity of the matter involved? | no
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| what are some signs of a chemical change? | change in odor, production of heat, fizzing
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| can chemical changes be easily reversed? | no
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| mass is used to measure -- and --. | inertia and weight
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| Physical or Chemical? asprin is crushed into fine powder | physical
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| Physical or chemical? | physical
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| Physical or Chemical? mixing sugar and water | physical
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| physical or chemical? apple rots on the ground | chemical
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| physical or chemical? a tree burns to from ashes | chemical
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| physical or chemical? baking soda reacts with vinegar and forms a gas | chemical
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| the physical froms in which a substance can exist | states of matter
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| what is a solid? | state of matter with a definite shape and volume
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| what is it called when the particles of a solid are orderly aligned? | aystalline
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| what is it called when the particles of a solid are not orderly aligned? (wax,glass,rubber) | amorphous
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| what is a liquid? | state of matter that has a definite volume but takes the shape of its container
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| what is the force that acts on the particles at the surface of a liquid? | surface tension
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| what is the resistance of liquids to flow? | viscostity
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| what is gas? | state of matter that has no definite shape or volume
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| can the amount of space between gas particles change? | yes
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| what is the measure of how fast the particles are moving? | temperature
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| what is the number of times the particles of gas hit their container called? | pressure
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| what is the amount of force exerted on a given area of surface called? | pressure
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| what does boyles law state? | for a fixed amount of gas at a constant temperature the volume of the gas is inversely related to the pressure
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| what does charles law state? | for a fixed amount of gas at a constant pressure, the volume of the gas changes in the same way the the temperature of the gas changes
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| what is the change of a substance from one physical form to another called? | change of state
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| there is a different amount of --- at different states | energy
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| what is melting? | the change of state from a solid to a liquid
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| what is the temperature at which a substance changes from a solid to a liquid? | melting point
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| what is freezing? | change of state from a solid to a liquid
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| what is the temperature at which a liquid changes into a solid? | freezing point
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| what kind of change is freezing and why? | endothermic
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| what is an endothermic change? | when energy is added to the substance as it changes
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| what is an exothermic change? | when energy is removed from the substance as it changes
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| what is evaporation? | the change of a substance from ma liquid to a gas
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| what is the change of a liquid to a vapor throughout the liquid? | boiling
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| what is atmospheric pressure? | the outside pressure on the bubbles (in boiling)
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| what is condensation? | the change of a state from a gas to a liquid
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| what is sublimation? | the change of state in which a solid changes directly into a gas
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| if you gain energy, do the temperature or state change? | yes
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