1. 1.A mixture that appears UNIFORM throughout 2.A pure substance made of two atoms chemically combined 3.A mixture in which you can see the individual parts 4.A pure substance that is made of only ONE kind of atom 5.A solute dissolved in a solvent A.Heterogeneous B.Element C.Solution D.Homogeneous E.Compound SEPTEMBER 29, 2014

2. Match each picture to the correct description. September 30, 2014

3. Match each picture to its description A.Element B. Compound C. Mixture of elements D. Mixture of compounds October 1, 2014

4. ANSWER EACH MULTIPLE CHOICE QUESTION 1.If a spoonful of salt is stirred into a cup of water, the salt is the: A.Solvent B.Solution C.Solute 2. Which of the following sentences best describes table salt, NaCl? A.Table salt is a compound made of two elements B.Table salt is a mixture made from two elements C.Table salt is an element made from two mixtures 3. Which of the following do Salt (NaCl), Rust (Fe2O3), and Water (H2O) have in common? A.salt, rust and water are all atoms B.salt, rust and water are all compounds C.salt, rust and water are all mixtures 4. Which of the following is an example of a container filled with a PURE SUBSTANCE and not a mixture? A.A balloon filled with helium B.A tire filled with air C.A glass filled with chocolate milk D.A jar filled with salt water October 2, 2014

5. ANSWER EACH MULTIPLE CHOICE QUESTION 1.The smallest unit of a compound. A.Atom B.Molecule 2. The smallest unit of an element. A.Atom B.Molecule 4. A mixture which looks the same throughout. A.homogeneous B.heterogeneous 6. How is a compound different than a mixture? A.Compounds have two or more components. B.Compounds are commonly found in nature. C.Each substance in a compound loses its characteristic properties. D.A glass filled with chocolate milk E.Solids, liquids and gases can form compounds. 3. A substance that dissolves another substance A.solute B.Solvent C.Solution 5. A mixture in which you can see the individual parts. A.homogeneous B.heterogeneous October 3, 2014