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Unit 1 Investigation 3
Terms in this set (27)
Anything that has mass and takes up space
Using logical arguments to convince others that your claim is correct
No matter how small a substance becomes it will still have the same original properties
matter can be divided into smaller and smaller pieces until single atoms are reached called "indivisible"
mixing 5 mL ethanol and 5mL water
made a less than 10mL solution
What model best explains what happens when water is mixed with ethanol?
mixing 5mL of water and 5mL of water
10 mL of solution
mixing 5 mL of water and 5 mL of water
10mL of solution
Democritus (400 BC)
Proposed that matter was composed of tiny indivisible particles, Not based on experimental data, Greek: atomos
Arisotle (300 BC)
Matter can be cut infinitely and it will still have it's same properties
A state of matter that has a definite shape and a definite volume, low energy
A state of matter that has no definite shape but has a definite volume, medium energy
A state of matter with no definite shape or volume, high energy
A force that pushes on or squeezes a material.
when heat is applied it's energy can force particles to change state from a liquid to a gas or a solid to a liquid
What was the results of the water and ethanol lab?
water and ethanol are made of particles of different sizes
Density of particles
how tightly packed the particles are of a mixture make the volume less than when they were separate. It also relates to the states of matter. Solids are more tightly packed than liquids or gases.
Which state of matter can be compressed to force the particles come closer together?
Why are gases easily compressed?
In gases, the forces between particles are very weak. This explains why the particles in gases are not neatly arranged. They are not held together tightly and there are large spaces between them. These spaces are much larger than in the solid and liquid state
How are liquids shaped?
The particles in a liquid have small spaces between them, but not as small as in solids. The particles in a liquid are loosely arranged which means they do not have a fixed shape like solids, but they rather take the shape of the container they are in.
How does heat affect liquids?
The speed at which the particles move around inside the liquid depends on the energy of the particles. When we heat a liquid, we are giving the particles more energy and speeding them up.
do not have a fixed shape, have a lot of energy, and have little to no force between the particles
Why is it not easy to compress liquids?
Liquids have very small spaces between the particles and so it is much harder to 'squash' them together, so they are not easily compressed.
How could someone change a solid to a liquid?
add energy by adding heat to get it to melt
answers a scientific question
support for an idea or claim
Ties together the claim and the evidence
THIS SET IS OFTEN IN FOLDERS WITH...
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