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What happens to substances as they lose or gain energy?
As substances lose energy, they tend to decrease in temperature and may change state (e.g. solid to liquid). Conversely, as substances gain energy, they tend to increase in temperature and may change state in the opposite direction (e.g. liquid to gas).
What is the liquid in a thermometer?
It can range from mercury to alcohol it depends on the manufacturer.
What do not all substances contract the same in?
Not all substances contract the same when subjected to cooling because each substance has its own unique molecular structure and properties. Factors such as intermolecular forces, atomic arrangements, and bond strengths all play a role in determining how much a substance will contract when its temperature decreases.
What happens to most substances when they are heated?
When substances are heated, typically their molecules gain energy and begin to move more rapidly. This increased movement can cause the substance to expand, change phase (from solid to liquid or gas), or even chemically react to form new substances. The specific changes depend on the substance's properties.
Do most solids expand when cooled?
No, most solids contract when cooled, as the lower temperature causes the atoms or molecules to move less, leading to a decrease in volume. However, there are exceptions, such as water, which expands when cooled below 4°C before turning into ice.
What is it called when different substances expand by different amounts when heated?
The coefficient of _____ expansion. It depends what kind of expansion you are talking about.
When substances get cooler they expand or contract?
Most substances contract when they get cooler. This is because the molecules in the substance slow down and move closer together, resulting in a decrease in volume. However, water is an exception—it expands when it freezes due to its unique molecular structure.
What happens when the temperature of a substance decreases significantly A. Most substances will expand. B. Most substances will gain atoms. C. Most substances will contract. D. Most substances will d?
C. Most substances will contract. When the temperature of a substance decreases significantly, its particles lose kinetic energy, causing them to move closer together. This results in a decrease in volume, known as contraction.
Does matter expand or contract when it is heated?
Expand
What matter expand and contract?
explain how temperature affects matter using the words contract and expand
Does matter expand or contract when it's heated?
Expand
What do muscles need in order to expand and stretch?
They have to either expand or contract through movement. They can only expand and contract as far as their tissues will allow,
Will an inert gas expand and contract with temperature?
It will contract.
Do cooled substances expand?
No, cooled substances typically contract or shrink in volume due to a decrease in temperature causing the particles to move more slowly and come closer together. This is known as thermal contraction.
Do metals expand when they are cooled?
No, most substances contract with cooling, only some exotic substances (eg water) expands when cooled.
What type of rocks expand?
All rock can expand or contract.
When things get bigger you say they contract converge or expand?
They expand.
