Refine Your Results

Now... gain access to over 2 Million curated educational videos and 500,000 educator reviews to free & open educational resources

Get a 10 Day Free Trial

204 resources with the keyterm base

Videos (Over 2 Million Educational Videos Available)
Three-Dimensional Coordinates and the Right-Hand Rule Video
6:09
Three-Dimensional Coordinates and the...
Language and Creativity Video
5:25
Language and Creativity
Cells - Overview & Introduction Video
4:07
Cells - Overview & Introduction
Other Resource Types (204)
+
Lesson Planet: Curated OER

Color Changes with Acids and Bases

For Teachers 3rd - 8th
Getting back to the beginning of the unit, learners use reactions with red cabbage juice to determine if solutions are acidic, neutral, or basic. This is a straightforward and classic investigation, but what you will appreciate is the...
+
3:14
Lesson Planet: Curated OER

Red Cabbage Chemistry

For Teachers 4th - 9th
An acid/base indicator that's made of blended red cabbage and water is used to demonstrate the various reactions that an acid/base solution goes through when some carbon dioxide gas is added. The best way to add the carbon dioxide is to...
+
3:14
Lesson Planet: Curated OER

Acid Breath

For Teachers 4th - 9th
An acid/base indicator that's made of blended red cabbage and water is used to demonstrate the various reactions that an acid/base solution goes through when some carbon dioxide gas is added. The best way to add the carbon dioxide is to...
+
Lesson Planet: Curated OER

Chemistry Slide Collection

For Teachers 9th - 12th
A huge slide show provides a review of almost every topic there is to cover in basic chemistry! Your young scientists will be interested to see each illustration and example given. The appearance of the 120 slides varies greatly, most...
+
Lesson Planet: Curated OER

Quality Control at Kality Krunchers Dill Pickle Factory

For Teachers 9th - Higher Ed
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires...
+
Lesson Planet: Curated OER

Chapter 15 Review, Section 2: Acid-Base Titration and pH

For Students 9th - 12th
Keep it simple with this chemistry assignment. Learners examine an acid-base titration graph and answer four questions about the data. Then they will balance neutralization equations and calculate molarity for several specific solutions....
+
Lesson Planet: Curated OER

2000 U.S. National Chemistry Olympiad Local Section Exam

For Students 9th - 12th
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
+
Lesson Planet: Curated OER

Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds

For Students 9th - 12th
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
+
Lesson Planet: Curated OER

1999 U.S. National Chemistry Olympiad Part III

For Students 9th - 12th
In this chemistry olympiad laboratory worksheet, learners design and carry out two experiments. They design one experiment to test for the percent mass of a substance in a solution and they design another experiment to identify two...
+
Lesson Planet: Curated OER

Regents High School Examination PHYSICAL SETTING CHEMISTRY 2007

For Teachers 9th - 12th
The University of the State of New York has designed a series of exams to be given to high schoolers. This chemistry exam is one of the most comprehensive and well-written that you will ever find. It consists of 84 questions in a variety...
+
Lesson Planet: Curated OER

The Power of One - Math in a Different Angle

For Teachers 5th - 7th Standards
In this 2-day lesson focused on exponents, middle schoolers will cross the curriculum by engaging in science, history and language arts activities. Exponential growth will be explored using grains of rice on a chess board. Exponential...
+
Lesson Planet: Curated OER

Geometry Practice: Classifying Solids #2

For Teachers 7th - 9th
In this solids worksheet, students identify the characteristics of solids. They name solids and determine the number of faces. This three-page worksheet contains seventeen problems. Answers are listed on the last page.
+
Lesson Planet: Curated OER

Acids and Bases

For Teachers 8th - 12th
Acquaint your chemistry class with acids and bases by showing this bold and bright PowerPoint. Viewers learn about the characteristics of acids and bases and stop at intervals to answer several questions about what they are learning. Use...
+
Lesson Planet: Curated OER

Neutralizing Acids and Bases

For Teachers 3rd - 8th
Now that your science class has experimented with pH indicator and identified acids and bases, they attempt to get the cabbage juice indicator back to its original color. This is done through neutralization of the acids and bases that...
+
1:04
Lesson Planet: Curated OER

Goldenrod Paper Message

For Teachers 5th - 9th
Have your class write secret messages using Goldenrod paper and a basic liquid such as ammonia. This is a great way to illustrate the chemical reactions between acids and bases. This could lead to an exploration of chemical reactions and...
+
1:52
Lesson Planet: Curated OER

Disappearing Ink with a Carbon Dioxide Blast!

For Teachers 3rd - 6th
Create disappearing ink and send your own secret messages. Have your learners explore the properties of acids and bases in order to figure out how to cause a chemical reaction. After they understand the process, they can perform some...
+
1:04
Lesson Planet: Curated OER

Berry pH Paper

For Teachers 5th - 9th
Steve Spangler shows how to make your own litmus paper. Using blackberries, construction paper, and water, learners can make their own litmus paper in the classroom. Then, they can take different liquids, such as oil and soapy water, and...
+
7:43
Lesson Planet: Curated OER

What is the Formula for the Volume of a Prism?

For Teachers 6th - 10th
Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....
+
5:56
Lesson Planet: Curated OER

How Do You Find the Volume of a Triangular Pyramid?

For Teachers 6th - 10th
Instruct your class on how to find the volume of a triangular pyramid using this tutorial. Learners can watch the video and take notes, later applying what they have seen to class work or homework. A clear video with direct instruction,...
+
5:29
Lesson Planet: Curated OER

How Do You Find the Volume of a Triangular Prism?

For Teachers 6th - 10th
Do you need to find the area of a prism? Watch this video to find out how! An instructor goes through each step, recording her work on a whiteboard for reference. A solid instructional video that could be used at home or in the classroom.
+
4:51
Lesson Planet: Curated OER

How Do You Find the Lateral and Surface Areas of a Cone?

For Teachers 7th - 10th
The lateral surface area of a cone. Hmmm, what does that mean? Oh, it means the part you see if the cone was sitting on a flat surface, so it does not include the base. But if you want to include the base then it would be finding the...
+
3:34
Lesson Planet: Curated OER

How Do You Find the Area of a Triangle?

For Teachers 6th - 8th
The formula for the area of a triangle is: area equals one half the base times the height. If you have been given these two values then all you need to do is plug them into the formula and solve. Don't forget to write the correct ending...
+
1
In 1 Collection
4:19
Lesson Planet: Curated OER

How Do You Find the Area of a Trapezoid?

For Teachers 7th - 9th
Trapezoids can be tricky! Break down the process of finding the area of a trapezoid with an engaging math video. Learners explore area formula and shown exactly how to plug in information, solve, and simplify. 
+
2:44
Lesson Planet: Curated OER

How Do You Convert a Number in Exponential Form into Expanded Form?

For Teachers 7th - 10th
A quick lesson on how to write an exponential expression in expanded form. All you have to do is write out the base number the identified number of times as represented by the power.