Science Chapter 4 Crossword
This printable crossword puzzle on the topic of Chemical Bonding & Reactions has 20 clues. Answers range from 7 to 23 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
A change that alters the form or appearance of a substance but does not change it to any other substance
A change in matter that produces one or more new substances
Substance that undergo the chemical changes
The new substances that form
A solid that forms from liquids during a chemical reaction
The change that releases energy
A change that absorbs energy
A way to show chemical reactions using symbols
Law that states during a chemical reaction, matter is not created or destroyed
Matter can enter or escape surroundings
Matter can not enter or leave
Number placed in front of a chemical formula
When two or more elements combine to make more complex substances
Occurs when compounds break down into simpler products
When one element replaces another in a compound
Minimum amount of energy needed to start a chemical reaction
Amount of substance in a given volume
Increases reaction rate by lowering the activation energy needed
Cells in your body contain thousands of biological catalysts called
Material used to decrease rate of a chemical reaction
