8th grade Science Name ___________________________________________ Date ______________________________ Block _________________ Compounds & Mixtures Activity Directions: On your desk, place the “Compound” card to your left and the “Mixture” card to your right. Using what you know about compounds & mixtures, place each card into the correct category. Record your data in the chart below. Once you have determined it is a mixture, label it heterogeneous or homogenous & provide evidence. If it is a compound, how many of each element are in it? Compound Formula Breakdown Mixture Type Created by G.Baker 2008 www.thesciencequeen.net Evidence 8th grade Science Compound Formula Breakdown Mixture Type Created by G.Baker 2008 www.thesciencequeen.net Evidence 8th grade Science Conclusions: 1. Were there any cards you had trouble classifying? Why/Why not? ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ 2. Give an example of a compound that was not listed above. ______________________________________________________ 3. Give an example of a mixture that was not listed above. _______________________________________________________ 4. How does a heterogeneous mixture differ from a homogeneous mixture? ______________________________________________________________________________________________________ 5. Suppose you stir a little baking soda into water until the water looks clear again. How could you prove to someone that the clear material is a mixture & not a compound? ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ Conclusion: 2-3 complete sentences on what you learned. ____________________________________________________________________________________________________________ ____________________________________________________________________________________________________________ ____________________________________________________________________________________________________________ Created by G.Baker 2008 www.thesciencequeen.net