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science exam #1
8th grade matter
| question | a,b,c |
|---|---|
| What is Matter | anything that has mass or volume |
| what is mass | the amount of stuff that is in something |
| what do you measure mass with? | triple beam ballance |
| does it remain the same any where in the universe? | YES |
| what is volume | the amount of space an object takes up. |
| what type of units is volume measured in? | international space units |
| can you use water displacement to find volume | YES. |
| what is the formula to find volume | L*W*H=VOLUME |
| what isn't matter | gravity, friction, inertia, sound, velocity,light, heat. |
| what are the physical properties of matter | ~characteristics that can only be observed with out changing the identity of matter ~density, mass per unit ~five states of matter ~change in state ~particle diagrams ~temperature scales |
| what are the characteristics that can only be observed with out changing the identity of matter | a)mass b)volume c)density d)size e)shape f)boiling point g)melting point h)elasticity i)color j)taste/odor k)texture l)fluidity m)magnetic attraction n)state of matter |
| what is density | mass/unit |
| what is the formula for density | mass divided by volume |
| what type of thing floats in water? | if density is less than density of water |
| what type of thing sinks in water? | if the density of the object is more than the density of water |
| in words what is the formula for density | the amount of matter divided by the amount of space something takes up |
| what are the five states of matter | Bose-Einstein Condensate liquid solid gas plasma |
| is all matter made up of particles? | YES |
| what type of particles is all matter made of? | particles that are attracted to each other particles that move around as temperature increases the particles move more |
| what 4 things are the particles in a solid | packed together tightly arranged in fixed rows held together by strong forces vibrating around a fixed position |
| do particles in solids have High density, fixed shape, fixed volume | YES |
| what 3 things are the particles in a liquid | a) arranged randomly b) held together by weaker forces c) flow to take up empty space |
| do the particles in liquids have Fixed volume, flows to fill container from the bottom up | YES |
| do the particles in liquids have more viscous liquids are held together by stronger forces | YES |
| what 4 things are the particles in gasses? | a) arranged randomly and far apart b) barely held together c) moving fast in different directions (straight) d) crashing into each other and container (pressure) |
| do the particles in gasses have a fixed shape or volume | NO |
| do the particles in gasses flow to fill container no matter what size | YES |
Created by:
annaliharp
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