Download Name: : ______ Chemistry—Matter, Atoms, and More Visit the

Name: ___________________________________________________________Period: ___________
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 atom.
10. Fun Facts continued: Adding a ________________ makes an _________________ of that atom, a heavier version
of that atom.
Visit t Matter and Stuff Around You at 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.
Visit the Science is Fun website at : http://scifun.chem.wisc.edu/
Click on Chem Time Clock to find the answers to these questions:
15. All materials, whether solid, liquid, or gas, are made of _______________. Atoms are the smallest
_________________ of ____________________________. Scientists have found over _____________ 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 THE EARTH
_________ATOMIC NUMBER OF 3
_________NAME FROM GREEK WORD FOR SUN
_________GLOWS RED-ORANGE WITH ELECTRICITY
_________MOST COMMON ATOM IN THE UNIVERSE