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Unit 1 Inv. 3

Continuous and Particle

Anything that has mass and takes up space matter
Using logical arguments to convince others that your claim is correct thought experiments
No matter how small a substance becomes it will still have the same original properties continuous model
matter can be divided into smaller and smaller pieces until single atoms are reached called "indivisible" particle model
made a less than 10mL solution mixing 5 mL ethanol and 5mL water
What model best explains what happens when water is mixed with ethanol? particle model
exactly 10 mL of solution mixing 5mL of water and 5mL of water
10mL of solution mixing 5 mL of water and 5 mL of water
Proposed that matter was composed of tiny indivisible particles, Not based on experimental data, Greek: atomos Democritus (400 BC)
Matter can be cut infinitely and it will still have it's same properties Arisotle (300 BC)
A state of matter that has a definite shape and a definite volume, low energy Solid
A state of matter that has no definite shape but has a definite volume, medium energy liquid
A state of matter with no definite shape or volume, high energy Gas
A force that pushes on or squeezes a material. Compression
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 Heat
What was the results of the water and ethanol lab? water and ethanol are made of particles of different sizes
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. Density of particles
Which state of matter can be compressed to force the particles come closer together? gases
Why are gases easily compressed? In gases, the forces between particles are very weak. 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 gases
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 claim
support for an idea or claim evidence
Ties together the claim and the evidence reasoning
Popular Science sets




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