Chemistry Scavenger Hunt Name __________________________ Visit the Chemistry Links page at the Kid Zone to find these sites! Go to http://sciencespot.net/ and click the Kid Zone graphic! Click : CHEMystery Go to the “States of Matter” area to find the answers to these questions. 1. Matter is anything occupying _______________ and having ______________; it is the material of the _______________. 2. There are three main phases of matter: _____________, ____________, and _____________. There is also a fourth phase, ______________, but it exists at very high temperatures. Science Is Fun Go to the “ChemTime Clock” area to find the answers to these questions. 1. All materials, whether solid, liquid or gas, are made of _______________. Atoms are the smallest _______ 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 ___________ _____________. 2. Search for information about each element on the Chem Time Clock. Use the chemical symbol to identify each element. ____ Diamond and graphite ____ Lightest atom ____ 2nd most abundant element on Earth ____ Lightest metal ____ Atomic number of 3 ____ Found in borax ____ Glows red-orange with electricity ____ Atomic number of 7 ____ Name from Greek word for sun ____ Major component of air ____ Most common atom in universe ____ Used in making toothpaste ____ Found in buckyballs ____ An element in table salt ____ Atomic number of 2 ____ Atomic number of 12 ____ First discovered in the sun ____ Used in “mag” wheels ____ Beryl, emeralds, and aquamarine ____ Atomic number of 9 ____ Atomic number of 11 ____ Used in laundry detergents Quia! Chem Games Choose the “Common Chemicals” game. Play the game to discover the names of these common chemicals: Acetic acid = ______________________ Sodium bicarbonate = ______________________ Ascorbic acid = ______________________ Sucrose = ______________________ Retinol= ______________________ Sodium chloride = ______________________ Acetylsalicylic acid = ______________________ Sodium hydroxide = ______________________ Thiamine = ______________________ Go to http://www.factmonster.com/ce6/sci/A0832242.html to answer the questions below. Use titles under “Sections in this article” to find answers. They are all mixed up too! 1. Name 3 properties of matter a. c. b. 2. The ____________ is considered the basic unit of any element. 3. __________________ held that all matter is made up of four elements – earth,air, fire, and water. 4. In a _________________ change, such as a change in state (e.g from solid to liquid) the substance as a whole changes, but its underlying structure remains the same. Go to http://www.harcourtschool.com/activity/states_of_matter/index.html and have fun at this site watching the substance change state. Go to http://www.harcourtschool.com/activity/hotplate/index.html . This one is a challenge. You can start it from the beginning as many times as necessary to help you see the change in temperature. . Once there , you can select the pink or green material. Which one did you pick? ___________ What was the melting point? ________________ What was the boiling point? _________________ Go to http://www.quia.com/quiz/303980.html take this quiz to test your knowledge of physical and chemical changes. Attach a sheet of notebook paper with the correct answers #1-20. _________ Score Go to http://www.chem.purdue.edu/gchelp/atoms/states.html and fill in this chart Some Characteristics of Gases, Liquids and Solids and the Microscopic Explanation for the Behavior gas liquid _____________ assumes the shape and volume of its container particles can move past one another ____________________ ___________________ _________________ particles can move/slide past one another retains a fixed volume and shape rigid - particles locked into place ___________________ lots of free space between particles not easily compressible little free space between particles not easily compressible little free space between particles flows easily particles can move past one another flows easily particles can ____________ past one another ____________________ rigid - particles cannot move/slide past one another