Determine how to Balance pH

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Presentation transcript:

Determine how to Balance pH OBJECTIVE: Determine how to Balance pH Warmup: If the pH is too high (too basic) what could you add to balance or neutralize the pH?? What if the pH is too low (too acidic)?

HOMEWORK: (Due Thursday) Bring in a liquid or a substance that can be dissolved in water for us to test the pH. Predict the pH for your substance and explain.

Vocabulary pH: potential of hydrogen Copy the definitions below into your vocabulary section. (*Purple part goes in 3rd box) pH: potential of hydrogen Acids: A substance that contains many hydrogen ions, a pH lower than 7.0. Bases: A substance that contains many hydroxyl groups, has a pH higher than 7.0 Hydroxyl Groups: An oxygen atom combined with a hydrogen atom, also called hydroxide ions pH Indicators: Indicates the pH of a substance by turning a different color for each pH. Examples: litmus paper, cabbage juice, electronic test meters. GO ON

BRAINPOP The pH Scale Acids & Bases BrainPOP | pH Scale

http://sv.berkeley.edu/showcase/flash/juicebar.html Alien Juice Bar Activity: Follow the directions on the worksheet… Click here to begin: http://www.lawrencehallofscience.org/kidsite/portfolio/alien-juice-bar/

Finish these websites (IN ORDER). pH WebQuest Review Finish these websites (IN ORDER). Sound off, subtitles on BBC - KS3 Bitesize Science - Acids, bases and metals : Activity BBC - KS3 Bitesize Science - Acids and bases and metals : Test BBC - KS3 Bitesize: Science - pH experiment Crossword Answers: http://www.docbrown.info/ks3chemistry/7Eans.htm GO ON

Acids and Alkalis in Our Daily Lives Fill-in-the-Blank Complete the “Acids & Alkalis in Our Daily Lives” worksheet (On back of BrainPop Activity worksheet) as you fill-in-the-blanks at the following link: Acids and Alkalis in Our Daily Lives When you’re finished try these fill-in-the-blanks online: Use of Indicators Neutralisation Acids Strong Acids Faces of science:: Do You Know Your Bubbles? (After filling in bubbles, click NEXT one time)

Discovery Education Under “Assignments” tab: (in order) GO ON Escape powerpoint Go to “Computer” Student Apps R drive Scroll down & double click “Discovery” Under “Assignments” tab: (in order) Mixing Acids & Bases: Complete data table Then do BCR on bottom of paper The Mystery of Potter’s Pond: Complete data table Crossword Answers: http://www.docbrown.info/ks3chemistry/7Eans.htm GO ON

BrainPOP - pH Scale Game CLICK HERE Choose “Virtual Labs: pH scale & meter calibration” Work through the interactive “game” Click blue back arrow on top left of screen. Choose “Virtual Labs: Acidifying Salsa” Username: eastmiddle1 Password: bulldogs

Movie: Acids & Bases Acids And Bases Movie - Free Educational Movies - The KidsKnowIt Network