Student+Worksheet

Back to Info Page ** Name Date **

** Topic: ** Phases of Matter ** Purpose: ** To determine what phase or stage of matter “Oobleck” falls into. ** Problem: ** Three substances are mixed together in a cup. Can you determine if the substance that is formed is a solid, liquid or gas? ** Research: ** List three properties of solids, liquids and gases. (Use your Matter graphic organizer). What are the Properties of Oobleck? ** ___, liquid or gas?__ **
 * Solid
 * Liquid
 * Gas

** Hypothesis: ** Remember that this is your educated guess based upon your research. I think the substance will be a ___. **// (solid, liquid or gas) //**

** Procedure: ** 1. To do this experiment, you and your team will need: 2. Put on your goggles and keep them on while you are working with Oobleck. 3. Record your observations about the properties of Oobleck on the **Oobleck Investigation Sheet.** 3. As you are filling out the **Oobleck Investigation Sheet,** begin answering the questions on the last page of the packet. You will need to do the hands-on part of this activity to help you with the properties on the investigation page. 4. Be sure to complete the entire back page. Use your rubric to check your finished lab activity. I will be grading the activity package like a lab, using the rubric.
 * Goggles
 * A paper cup filled with Oobleck
 * A plastic spoon.
 * Decide if each observation is a property of a solid, liquid or gas.
 * Be sure to give specific properties (runny, slimy, hard).
 * Then circle the corresponding phase of matter you are observing;: **S** for solid, **L** for liquid, and **G** for gas. Solids and liquids, or liquids and gases may actually share the same properties. So you may have more than only property circled.
 * Circle one or more of the **State of Matter** letters on the right hand side of the **Oobleck Investigation Sheet** to show what you decided.

** Understandings ** ** Analysis: ** 1. Does the material look like a solid or a liquid? Describe it. 2. Put your finger into the material. Does it behave like a solid or a liquid? Describe it. 3. Take a spoonful of the material in your hand and roll it into a ball. How does it behave?

4. Pick it up again and hold it for a few moments. Do you observe any changes? ** Conclusion: ** (The answer to the lab problem and if your hypothesis was right or wrong). ** Oobleck ** is made by combing:  (solid, liquid or gas) a) White powder a)   b) Clear liquid b)    c) Food coloring c)   ** I ended up with a __(__ **__// solid, liquid, or gas) //__ ** Element – ** any substance that cannot be broken up into simpler substances by chemical means. ** Compound – ** a substance formed when atoms of two or more elements join together. ** Mixture - ** a material consisting of two or more substances that are not chemically bound to each other and can be separated. ** Do you think Oobleck is an element, compound or mixture? Why? **

=Extension Activity=
 * Name **
 * Think: ** How did Oobleck behave? Can you think of any other substances that behave in the same way as Oobleck (name them)? Do you know the scientific term for these substances?


 * Do: ** What do you want to know about Oobleck? Is there an experiment or observation that could be performed to find out more about this substance?


 * Your Question: **
 * Your Observations: **
 * Your Experiment: **