Description

*A new substance is formed as a result of a
Any sample of a compound is
The elements in a(n) __________ are always in the same ratio
Factors that can change during an experiment are called
Two solid substances that have been stirred together but not chemically combined
Air, water, and rock are examples of
*Samples of a specific compound from different sources obey the law of
Chemical reactions change the _____ of atoms
*Methane (CH4) and ethane (C2H6) illustrate the law of
A cathode ray tube emits only
Rutherford used _____ foil to study atomic structure
A neutron has a charge of
*The number of protons represents the
The number of electrons in an element equals the number of
Two isotopes of an element differ in the number of
A prediction is scientific hypothesis only if it is
How many magnesium atoms are in the formula for magnesium nitride
The atomic radius ________ from top to bottom on the periodic table
*Mendeleev organized his periodic table based on
A _____ in the periodic table is a vertical colmn of elements
The Law of Octaves stated that every ______ element had similar properties
Two Isotopes of an element differ in the number of
*The vertical columns of the periodic table represent elements with similar
Group 17 elements are called
The highest electronegativtiy value is shown by
An atom of a metal becomes an ion by the _____ of one or more electrons
The type of bond formed when two atoms share a pair of electrons is called
When the atom gains an electron, the resulting particle is an
The shape of a water (H20) molecule is
The major part of the average exposure of humans to radition comes from _______ sources
Atoms that have the same atomic number but different numbers of neutrons are
In the famous relationship: E=mc^2, the symbol m represents
In the fission of uranium-235, which particle causes and propagates the chain reaction
Beta particles are
In order to change one element into another, a change must take place in the
What type of reaction makes a "hydrogen" bomb so destructive
The best shielding material agaisnt beta radition is
The particle which has the smallest mass is the
An alpha particle is a _______ nucleus
________ rays have zero mass and zero charge
The radioactivity of _______ atoms in non-living materials diminishes slowly

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Atoms and Molecules

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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

  • Log in to your account (it’s free to join!)
  • Head to ‘My Puzzles’
  • 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.