A temperature scale containing no negative values, and where 0 represents absolute zero.
When a gaseous sample of matter changes directly into a solid.
The lowest temperature possible in the universe, equivalent to -273.15 degrees Celsius.
The measure of the average kinetic energy of a sample of matter.
A theory stating that the particles in a sample of matter are in constant, straight-line motion until they collide with other molecules.
This law of thermodynamics is summarized by the law of conservation of energy.
Energy associated with the random motion of particles in a sample of matter.
Often called "the fourth phase of matter," it is defined as an ionized gas.
A graph showing the temperature of a substance plotted against the amount of energy it has absorbed
the degree to which the result of a measurement, calculation, or specification conforms to the correct value or a standard.
This thermodynamic law describes why all systems lose energy to their surroundings - a result of some degree of inefficiency.
When a solid sample of matter changes directly into a gas.
When a solid sample of matter turns into a liquid as a result of absorbing potential energy.
A temperature scale in which the boiling point of water is 212.
Down
A state of matter in which the particles in a sample have definite volume but no definite shape.
This law of thermodynamics describes the flow of heat between two objects with different temperatures.
A state of matter in which the particles in a sample are far apart, contain high energy, and have neither definite shape nor volume.
The energy stored within a sample of matter.
The amount of energy required to completely boil one gram of a substance at its boiling point.
A measure of how innaccurate a measurement is
The SI unit used to measure heat energy (J)
A state of matter in which the particles in the sample are arranged in a regular, geometric pattern.
The experimental variable whose variation does not depend on that of another. Time is an example of this type of experimental variable.
When a liquid sample of matter turns into a gas as a result of absorbing potential energy.
The energy associated with the random motion of particles in a sample of matter.
The amount of energy required to raise one gram of a substance by one degree Celsius.
A temperature scale based on the melting and boiling points of water.
When a gaseous sample of matter turns into a liquid as a result of releasing potential energy.
When a sample of matter changes from one phase to another.
A variable whose value depends on that of another.
Thermal Energy
Standard Temperature and Pressure
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All your puzzles are accessible from your 'My Puzzles' page, which you can access using the navigation bar at the top when you are logged in.
Be sure to log in using the same email address you used when you created your puzzle.
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There is a 'Make Printable' button on the top left of your puzzle that will let you sign up for a plan or purchase a single puzzle.
Once paid, that button will turn into a 'Preview + Publish' button that will put your puzzle in a format that can be printed or solved online.
Once you publish your puzzle, you can click the print icon or use your browser’s print function.
It looks weird when printed.
First make sure you’ve published your puzzle. See the 'How do I print?' section above for more information.
99% of other printing issues have to do with printer settings. Instead of trying to fiddle with printer settings, which can be time-consuming and frustrating, there are a couple workarounds you can try.
You can try printing from a different browser, since different browsers have different default print settings. Alternately, you can try saving as a PDF (next to the print icon) and print that.
Why isn’t this free?
We invested in building a number of premium features that free sites are unable to offer: the ability to automatically or manually add words to your puzzle, save-as-you-go puzzle editing, the ability to access your puzzles from any computer, an uncluttered and ad-free interface, the ability for friends and colleagues to solve your puzzles online, and quick responsiveness to reported issues.
My Crossword Maker is the lowest-price service we've found that provides these features, and is designed for people who are not satisfied with what free sites are able to provide.
I thought this was free.
We’re sorry you thought My Crossword Maker was free, that must have been frustrating.
We’re constantly trying to provide a clear and straightforward user experience, and we’re not trying to hide the price: on the page where you make your puzzle, the price is listed in the overview in the top left (before you log in), below the 'Make Printable' button (after you log in), in the FAQ below the grid, and also in the tour.
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First check whether you used a different email address to create your account. Your login email is the email address where you received a welcome email from us.
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I am being asked to pay a second time.
If you are a member of My Crossword Maker and are still being asked for payment, then you may have inadvertently created a second account.
Your paid account will have the email address where you received an email confirming your subscription.
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If you haven’t gotten the password reset email, check your spam folder, be sure you’re checking the email account that the email was sent to, and be aware that some school email systems block emails from non-school email addresses.
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Not all my words are in my puzzle.
When you hit the 'Arrange' button, our algorithm will try to arrange all your words on the grid, and will move words around to try to fit the most words.
This will get all the words on the grid about 90% of the time, depending on the word list. For the other 10%, you will get an alert explaining that the words that did not fit were added to the scratchpad.
It prints on two pages.
Big puzzles won’t always print on one page — the clues and grid are the smallest we could make them while keeping them readable for everyone.
That said, different browsers print in slightly different ways, so you could try using 'print preview' using a different browser (or try the PDF button) to see if you like how that looks better.
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We generally respond to all reported issues in about a day. If it’s been a few days and you haven’t heard back from us, it’s possible we sent an email that didn’t reach you.
Check your spam folder, and be aware that some school email systems block emails from non-school email addresses. Try providing a different email address if you think our emails to you are being blocked.
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