Mystery Powder Analysis Gizmo | ExploreLearning

Skip Navigation (2) | Page Bottom (3)

Enroll in a Class
Settings
Logout

Browse Gizmos
Training
Research
About
Support
My Homepage

Michal Kreiselman

Gizmos

Mystery Powder Analysis

UPDATED

Perform multiple experiments using several common powders such as corn starch, baking powder, baking soda, salt, and gelatin. The results of the research on the known powders can then be used to analyze several unknowns using the scientific method. The unknowns can be a single powder or a combination of the known powders.

Lesson Info
Gizmo

Lesson Materials
Standard Gizmo Features
Projection Tip (Browser Zooming)

Projecting a Gizmo in front of a class?

You can make Gizmos appear larger with your browser’s built-in zooming feature.

Internet Explorer 7+
Firefox 3+ (Windows only)
Safari 4+

CLOSE

Time remaining to use this Gizmo: 5:00 Extend your five minute free pass.

We're sorry, but JavaScript is required to access ExploreLearning's Gizmos.

Please turn on JavaScript in your browser and refresh the page to load the Gizmo.

If you're unsure how to turn on JavaScript access, please consult your browser's help system or your system administrator.

Assessment Questions (5):

A substance is tested with litmus paper. The blue litmus paper remains blue while the red litmus paper remains red. What can you conclude about the substance?
- A. The substance is an acid.
- B. The substance is a base.
- C. The substance is neutral; it is neither an acid nor a base.
- D. The substance could be either an acid or a base.
Suppose that Biuret reagent turns purple when it is added to an unknown substance. What can you conclude about the substance?
- A. The substance is an acid.
- B. The substance contains protein.
- C. The substance contains starch.
- D. None of the above are valid conclusions.
Which of the following has a crystalline appearance?
- A. baking soda
- B. salt
- C. baking powder
- D. corn starch
Given the data shown, what two substances does the unknown mixture contain?
- A. Gelatin and baking powder
- B. Gelatin and baking soda
- C. Gelatin and corn starch
- D. Salt and corn starch
Given the data shown, what three substances might the unknown mixture contain?
- A. Baking powder, baking soda, and corn starch
- B. Baking soda, corn starch, and salt
- C. Corn starch, gelatin and salt
- D. Gelatin, corn starch, and baking soda

ExploreLearning Home
My Homepage
Browse Gizmos
Settings
Training
Research
About
Contact Us
Help & Support

System Test Page
Enroll in a Class
Newsletter Sign-Up
Purchasing Info

© 2009 ExploreLearning. All rights reserved. Gizmo and Gizmos are trademarks of ExploreLearning. Please carefully review the Terms & Conditions of Use and our Privacy Policy before using this site. Your use of the site indicates your agreement to be bound by the Terms & Conditions of Use.

All Gizmos™ require the free Shockwave and/or Flash plugins. To determine if your system has these plugins, go to our test page.

Page Top This site conforms to Level A of the WAI Guidelines. View accessibility info for this site.

Session Timeout Notice

Your ExploreLearning user session will timeout in 5:00.

Would you like to stay logged in and continue your current session?

Your ExploreLearning user session has expired, you are now logged out.

You can cancel this notice and the current page will remain open; however, page links/buttons to secure areas (Assessment Questions, Add Gizmo to Class, etc..) of the site will not work until you login again.