Alien Juice Bar Lab

The purpose of this lab is to determine whether common household substances are acidic, basic, or neutral. You will need to access a website as this is a virtual lab. In addition to completing the simulation, you need answer the following questions and write a formal lab report. Use the information below to help guide you through writing your lab report.

1.  Write an introduction paragraph related to what know about common household acids and bases. Also write what you know about indicators, especially natural indicators such as red cabbage. Include what you expect your findings to be as you test various substances in conducing this virtual lab.

Intro Paragraph:

2.  Procedure:

·  Challenge 1: Alien Juice Bar

1.  Go to the following website: http://www.lawrencehallofscience.org/kidsite/portfolio/alien-juice-bar/

2.  Click on Challenge 1. Click Start.

3.  Click on the pitcher of cabbage juice and drag towards one of the three drinks. The cabbage juice will pour into a beaker and may or may not change color.

4.  Continue until all three drinks have been poured.

5.  Place the drinks onto the correct shelf above the aliens head.

6.  When done, pull the check me lever.

7.  If you are wrong, the bottles will come off the shelf try again until you get them all right!

8.  Fill in the data table to show your results.

Drink Color in Beaker / Acid, Neutral, or Base
Window Cleaner
Lemon Juice
Water

9.  Click on the pitcher of cabbage juice and drag towards one of the nine drinks. You pour the cabbage juice to indicate if it is an acidic, basic or neutral drink. Continue until all nine drinks have been poured.

10.  Place the drinks onto the correct shelf above the alien’s head. When done, pull the check me lever. If you are wrong, the bottles will come off the shelf try again until you get them all right!

11.  Fill in the table below to indicate where each drink belongs.

Substance / Acid/Base/Neutral

·  Challenge 2: The Flying Cabbage Juice Bar

1.  Read the directions on the screen and then click Start.

2.  Listen to your customers carefully, if you give them the wrong drink, they can get sick or even die and you will lose your license! Good Luck!

3.  You can test the pH of each drink with the pitcher of cabbage juice and you can also restock the shelf if you run low on drinks.

4.  Drink choices: lemon juice, water, mouthwash, water, cough medicine, window cleaner, toothpaste juice, coffee, liquid soap, water, soda pop, and orange juice.

5.  Record your results into the data table.

Customer # / They asked for: / You gave: / Sick Customer?
Try again / Yummy or Dead?
Example / Neutral / Lemon Juice / Water / Yummy
1
2
3
4
5
6

Did all of your customers survive? Congratulations!

3.  Write a conclusion paragraph. In the paragraph state whether your observations support or refute what you have learned in the content about acids and bases. Do the given properties of acids and bases correspond to the substances that you tested as acids and bases? Talk about what you have learned by conducting this activity.

Conclusion Paragraph: