chemistry- matter, atoms, and · pdf filechemistry- matter, atoms, and more ... 11. _____...
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L.Cary 2012 http://www.warrencountyschools.org/olc/teacher.aspx?s=1533
Name_______________
Chemistry- Matter, Atoms, and More
Visit the Chemistry- Matter, Atoms, and More website at: http://sciencespot.net/Pages/kdzchem.html Visit All About Atoms
1. ______________________ are the basic building blocks of matter that make up everyday objects.
2. There are _______________ naturally occurring kinds of atoms.
3. There are 3 ____________________ in each proton. 4. There are 3 ____________________ in each neutron. 5. The nucleus is the ___________________ center of the
atom. It was discovered in _________ but it took scientists another ______________ years of __________________________ to identify its parts.
6. Fun Facts: Draw the diagram that compares an electron and a dime to a proton and a gallon of milk.
7. Fun facts continued: Atoms always have as many ___________________ as protons.
8. Fun facts continued: Atoms usually have about as many ____________________ as protons.
9. Fun facts continued: Adding a ______________________________ makes a new kind of
L.Cary 2012 http://www.warrencountyschools.org/olc/teacher.aspx?s=1533
atom. 10. Fun facts continued: Adding a ___________________
makes an ________________ of that atom, a heavier version of that atom.
Visit the website Matter and stuff around you at http://www.chem4kids.com/files/matter_intro.html
11. ________________ is everything around you. Matter is anything made of ___________ and ______________. Matter is anything that has a _______________. As of ______________ scientists have identified ______________ states of matter.
12. You should know about _________________, ____________, _________________ and plasmas, and a new one called ____________________-_____________________ ____________________.
13. Elements and _______________ can move from one __________________ _______________ to another and not change.
14. The ______________________ state is colder and denser but the molecules are still the same. Water is another example. The _____________________ water is made up of two hydrogen atoms and one oxygen atom. It has the same molecular structure whether it is a _____________, liquid, or _______________. Although its physical state may change, its chemical state remains the same.
Visit the Science is Fun website at: http://scifun.chem.wisc.edu/ Click on ChemTime clock to find the answers to these questions.
15. All materials, whether solid, liquid or gas, are made of ________________. Atoms are the smallest
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_______________ of __________________________. Scientists have found over ___________ different kinds of atoms. The many different materials we encounter are made from ________________________________ of these atoms. A material in which all atoms are the same kind is called an ________________________. Therefore, there are over ___________ different elements. Each element has been assigned a number, called its ________________ ___________________.
16. Search for information about each element on the Chem Time Clock. Use the chemical symbol to identify each element.
______ Lightest atom ______ Lightest metal ______ Found in borax ______ Atomic number of 7 ______ Major component of air ______ Used in making toothpaste ______ An element in table salt ______ Atomic number of 12 ______ Used in “mag” wheels ______ Atomic number of 9 ______ Used in laundry detergents ______ First discovered in the Sun ______ Beryl, emeralds, and aquamarine ______ Atomic number is 11 ______ Diamond and graphite ______ 2nd most abundant element on Earth ______ Atomic number of 3 ______ Glows red-orange with electricity ______ Name from Greek word for sun ______ Most common atom in universe ______ Found in buckyballs ______ Atomic number of 2
Finished? Try some of the on-line games and puzzles found at:
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