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385 resources with the concept ph

4:10
Lesson Planet

The Olsen Test for Phosphorus

For Students 9th - 12th Standards
A short video teaches viewers about the Olsen Test, a soil test specific for plants grown in arid regions. The soil in arid regions has a higher pH and plants require special treatment to thrive. The video provides information about the...
2 In 2 Collections
Lesson Planet

Why Should I Care?: Show How Increased Carbon Dioxide Makes the Ocean More Acidic

For Students 6th - 8th Standards
How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...
Lesson Planet

Acid and Bases: Introduction

For Teachers 9th - 12th Standards
What is the difference between an acid and a base? To understand the chemical definition of acid and base, they learn about their chemical and physical properties. They identify what common compounds are acidic and basic, and determine...
Lesson Planet

Acid and Bases: pH Scale

For Teachers 9th - 12th Standards
Why is pH important? Scholars learn about the pH scale in two of two acid/base presentations. They identify how ionization of water relates to the pH of acids and bases and look at examples on a pH scale of strong and weak acids and...
Lesson Planet

By All Indications

For Teachers 6th - 8th Standards
How do people determine if something is acidic or basic? Learners make their own acid-base indicators using red cabbage and then determine the acidity and alkalinity of different substances. First, they test substances of known pH and...
4:08
Lesson Planet

3 Egg-cellently Weird Science Experiments

For Students 9th - Higher Ed Standards
Have you ever seen an egg bounce? Three interesting and simple hands-on experiments with eggs teach basic concepts about chemical reactions. First, participants cook an egg in alcohol to learn about denaturing proteins. Then, they watch...
4:37
Lesson Planet

How Is Leather Made?

For Students 9th - Higher Ed Standards
Leather tanning is a chemical production! Scholars watch as a video outlines the chemistry behind processing leather. The instructor describes the chemical makeup of the leather itself and the structure of the chemicals that preserve the...
4:02
Lesson Planet

Why Flamingos Are Pink and Hardcore

For Students 9th - Higher Ed Standards
They're not just pretty faces! Flamingos may look delicate, but they have adaptations that allow them to survive in areas most other organisms cannot. A video lesson in a larger ACS Reactions series describes how flamingos survive in...
3:15
Lesson Planet

Yellowstone Steaming Acid Pools of Death

For Students 9th - Higher Ed Standards
Although beautiful, Yellowstone Park has some inherent dangers. An episode of a larger Reactions series explains how the volcanic hot springs in the park affect the pH of the water as well as its temperature. Learners make connections to...
Lesson Planet

2015 AP® Chemistry Free-Response Questions

For Students 10th - 12th Standards
More than 80,000 scholars earned college credit for Chemistry with the AP exam in 2015. The College Board released the free-response questions covering topics, including moles, that often confuse scholars. They also released example...
1 In 1 Collection
Lesson Planet

Chemistry

For Students 9th - 12th Standards
You matter—unless you multiply yourself by the speed of light squared, then you energy! Scholars learn about matter, energy, the elements and so much more using an informative presentation. Completing the included worksheet creates a...
Lesson Planet

Acid-Base Indicators

For Students 9th - 12th Standards
Acid-base indicators are an essential part of any chemistry classroom. Individuals explore the color-changing feature of the important indicators in a vibrant hands-on activity. Using serial dilution, learners create solutions ranging...
1 In 1 Collection
Lesson Planet

Water Properties and More

For Students 9th - 12th Standards
Did you know many insects use cohesion or surface tension to walk on water? Using a presentation, scholars learn the more important properties of water. It extends into the concepts of solutions, suspensions, pH, and more.
1 In 1 Collection
Lesson Planet

Water, Solutions, pH, and Buffers

For Students 9th - 12th Standards
What common chemical includes safety warnings for being harmful if swallowed or inhaled, causes serious eye damage, and needs to be cleaned up immediately if spilled on the floor? Surprisingly, the dangerous chemical turns out to be...
Lesson Planet

Acid Test

For Students 9th - 12th Standards
This isn't your typical basic lesson—it's more acidic! Learners use pH information to determine the hydroxide ion concentration of different substances and then use these values to analyze information. The calculations require...
Lesson Planet

Industrial Knowledge of Acids and Bases

For Teachers 9th - 12th Standards
Over a 10-year period, EPA regulations cost businesses less than $30 billion, while businesses saved over $82 billion. Scholars experiment with acids and bases to better understand the pH scale. Then they debate environmental regulation...
Lesson Planet

Sustainability: Learning for a Lifetime – The Importance of Water

For Teachers 9th - 12th Standards
Water is essential for life—and understanding the importance of clean drinking water is essential in understanding sustainability! Show your environmental science class the basics of water testing and treatment through a week-long...
Lesson Planet

No Stomach for It: Investigating Antacid Medication

For Teachers 9th - 12th
You won't get a stomachache doing an investigative experiment. Pupils simulate the effect of antacids on stomach acid. Obviously, they won't be using real stomach acid; diluted hydrochloric acid serves this purpose.
Lesson Planet

Lab On A Slab

For Teachers 9th - 12th Standards
Capillary action is the frugal chemist's dream ... the less liquid used, the more tests they can run! Learners experiment with the best design to maximize the benefits of capillary action. Using a liquid sample, they design a capillary...
Lesson Planet

Investigating the Effect of Temperature on the Activity of Lipase

For Teachers 9th - 12th
How does temperature affect lipase activity? Young scholars conduct an experiment to collect data on the interaction of lipase at different temperatures. They add lipase to a solution of milk, sodium carbonate, and phenolphthalein and...
2 In 2 Collections
Lesson Planet

Ocean Acidification

For Teachers 6th - 12th Standards
Human impacts on the environment can sometimes be difficult to measure, especially under water! An activity centered on ocean acidification gives science scholars the opportunity to examine the effects of carbon dioxide on marine life....
Lesson Planet

Virtual Lab: Standardization of NaOH with a KHP solution: Acid Base Titration

For Students 9th - Higher Ed Standards
This is not your standard standardization lab! Take titration into the high-tech age with a simulated workbench. Learners perform titrations to standardize a sodium hydroxide solution using a KHP solution of unknown concentration....
Lesson Planet

Virtual Lab: Creating a Buffer Solution

For Students 9th - Higher Ed Standards
Buffers don't just magically appear in the stockroom when you need them! Give learners a crash course in buffer basics using an interactive lab assignment. Individuals are tasked with creating a buffer with a certain pH that will react...
Lesson Planet

Virtual Lab: Unknown Acid and Base Problem

For Students 9th - Higher Ed Standards
Looking for an easy way to give your class experience with acid-base chemistry outside the lab? Try a detailed interactive that puts them in total control! Young chemists determine the dissociation constant and concentration of an...