Description

states that mass is neither created nor destroyed during ordinary reactions or physical changes
if two or more different compounds are composed of the same two elements with a certain mass of the first element is always a ratio of small whole numbers
the fact that a chemical compound contains the same elements in exactly the same proportions by mass regardless of the size of the sample or source of the compound
the smallest particle of an element that retains the chemical properties of that element
is a very small region located at the center of an atom
postively charged particles in the nucleus; mass of 1 amu
neutral particles in the nucleus of an atom; mass of 1 amu
negatively charged particles present in a cloud around the nucleus; have a mass of almost zero
protons, neutrons and electrons
experiments done in this tube with electrons and a magnet
Thomson's model for the atom; electrons are present scattered throughout a positive field
positively charged particles with about four times the mass of a hydrogen atom
these short range proton-neutron, proton-proton, and neutron-neutron forces hold the nuclear particles together
the number of protons of each atom of that element
atoms of the same element that have different masses; vary in number of neutrons
the most common type of hydrogen; an isotope with one nucleon
isotope of hydrogen with a total of 2 nucleons
isotope of hydrogen with a total of 3 nucleons
is the total number of protons and neutrons that make up the nucleus of an isotope
the mass number is written with a hyphen after the name of the element
shows the composition of a nucleus (mass and atomic number)
is a general term for a specific isotope of an element
1 amu, or is exactly 1/12 the mass of a carbon-12 atom
is the weighted average of the atomic masses of the naturally occuring isotope of an element
6.0221415 x 10^23 is the number of particles in exactly one mole of a pure substance
is the amount of a substance that contains as many particles as there are atoms in exactly 12g of carbon-12
the mass of one mole of a pure substance
isotopes made in a lab
a proton or neutron; particle found in the nucleus

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Frequently Asked Questions

What is a crossword?

Crossword puzzles have been published in newspapers and other publications since 1873. They consist of a grid of squares where the player aims to write words both horizontally and vertically.

Next to the crossword will be a series of questions or clues, which relate to the various rows or lines of boxes in the crossword. The player reads the question or clue, and tries to find a word that answers the question in the same amount of letters as there are boxes in the related crossword row or line.

Some of the words will share letters, so will need to match up with each other. The words can vary in length and complexity, as can the clues.

Who is a crossword suitable for?

The fantastic thing about crosswords is, they are completely flexible for whatever age or reading level you need. You can use many words to create a complex crossword for adults, or just a couple of words for younger children.

Crosswords can use any word you like, big or small, so there are literally countless combinations that you can create for templates. It is easy to customise the template to the age or learning level of your students.

How do I create a crossword template?

For the easiest crossword templates, WordMint is the way to go!

Pre-made templates

For a quick and easy pre-made template, simply search through WordMint’s existing 500,000+ templates. With so many to choose from, you’re bound to find the right one for you!

Create your own from scratch

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  • Click ‘Create New Puzzle’ and select ‘Crossword’
  • Select your layout, enter your title and your chosen clues and answers
  • That’s it! The template builder will create your crossword template for you and you can save it to your account, export as a word document or pdf and print!

How do I choose the clues for my crossword?

Once you’ve picked a theme, choose clues that match your students current difficulty level. For younger children, this may be as simple as a question of “What color is the sky?” with an answer of “blue”.

Are crosswords good for students?

Crosswords are a great exercise for students' problem solving and cognitive abilities. Not only do they need to solve a clue and think of the correct answer, but they also have to consider all of the other words in the crossword to make sure the words fit together.

Crosswords are great for building and using vocabulary.

If this is your first time using a crossword with your students, you could create a crossword FAQ template for them to give them the basic instructions.

Can I print my crossword template?

All of our templates can be exported into Microsoft Word to easily print, or you can save your work as a PDF to print for the entire class. Your puzzles get saved into your account for easy access and printing in the future, so you don’t need to worry about saving them at work or at home!

Can I create crosswords in other languages?

Crosswords are a fantastic resource for students learning a foreign language as they test their reading, comprehension and writing all at the same time. When learning a new language, this type of test using multiple different skills is great to solidify students' learning.

We have full support for crossword templates in languages such as Spanish, French and Japanese with diacritics including over 100,000 images, so you can create an entire crossword in your target language including all of the titles, and clues.