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

### We found 63,462 reviewed resources

Videos (Over 2 Million Educational Videos Available)

3:07

Who was Frederick Douglass?

11:22

Prepositional Phrases for Kids | English...

2:54

Phonics Song 2 (new version)

Other Resource Types ( 63,462 )

Lesson Planet

#### Calculus AB/BC - Determining Concavity of Functions over Their Domains

New ReviewTime to take a second look at derivatives finding concavity. While watching the video, learners find out the definition of concavity. Individuals see how to determine whether an interval is concave up or concave down using graphs and the...

Lesson Planet

#### Calculus AB/BC - Derivatives of tan(x), cot(x), sec(x), and csc(x)

Continue to differentiate the rest of the trigonometric functions. Pupils see the derivatives of the other four trigonometric functions and begin to memorize the rules. Learners see examples that show that the calculus portion of a...

Lesson Planet

#### Calculus AB/BC - The Quotient Rule

Some differentiation rules are just better to memorize. The ninth lesson in a unit of 11 presents the quotient rule to pupils for them to memorize. Learners use the quotient rule to determine the derivative of two quotients after seeing...

Lesson Planet

#### Calculus AB/BC - Derivatives of cos(x), sin(x), e^x, and ln(x)

The shortcuts are not just for polynomial functions. Pupils learn the derivatives of the two basic trigonometric functions, cosine and sine. The video provides the derivatives for exponential and logarithmic functions. Learners work...

Lesson Planet

#### Calculus AB/BC - Derivative Rules: Constant, Sum, Difference, and Constant Multiple

Use derivatives to find equations of lines. Pupils learn more rules to use as shortcuts to find derivatives. Using the rules, they find the equations of the tangent line and the normal line at a given point. Scholars then apply the new...

Lesson Planet

#### Calculus AB/BC - The Power Rule

There has to be a quicker way. Pupils learn the power rule that allows for a shortcut to take the derivative of terms to a power. Using the newly found rule, scholars find the slope of the tangent line to a function at a given x value....

Lesson Planet

#### Calculus AB/BC - Connecting Differentiability and Continuity

Despite what you thought, you can differentiate between continuity and differentiability. Using a short lesson, pupils learn how differentiability and continuity relate to each other. It provides three descriptions of when a function is...

Lesson Planet

#### Calculus AB/BC - Average and Instantaneous Rate of Change

Ramp up the average rate of change—instantly. Learners use their knowledge of the formula to find the average rate of change to find the instantaneous rate of change. The presenter shows pupils an interactive that demonstrates finding...

Lesson Planet

#### Number Rights

You do not have to be whole to be important. Individuals watch a video on the importance of rational numbers on the number line. Scholars use their knowledge to rename numbers on the number line as well as place rationals on a number...

Lesson Planet

#### Atlantean Dodgeball

Develop ratios within sporting games. Class members watch a video about dodgeball and see how coaches compare the scores. Pupils then work with ratios to compare the scores throughout the tournament. Using their knowledge of ratios, they...

Lesson Planet

#### Bad Date

Get the best ratio for a good date. The class watches a video where dates are rated based on the ratio of words spoken. Pupils then use the ratios in the video along with other given ratios to find equivalent ratios. Finally, they...

Lesson Planet

#### A Christmas Carol - The Story

Thirty-six pages familiarize scholars with the story and vocabulary of A Christmas Carol by Charles Dickens. After reading and listening to an abbreviated version of the holiday tale learners show what they know about the sequence of...

Lesson Planet

#### Observing Chemical Changes—Microscale Chemistry

Want to add a wow factor to your current chemical changes lesson plan? Try a microscale experiment with colorful precipitates! Partnered learners conduct 10 single displacement reactions and record their observations.

Lesson Planet

#### Acids and Bases—Microscale Chemistry

Here's proof that small-scale labs lead to big-time learning. Introduce acid-base interactions to middle school scientists through a microscale chemistry lab. Pupils combine a variety of solutions and use indicators to obtain approximate...

Lesson Planet

#### The Fellowship of the Ring

Here's a must-have resource for educators who use J.R.R. Tolkien's The Hobbit and/or The Lord of the Rings. Packed with materials for both tales, the packet includes both a reader's guide and an educator's guide, lesson plans, vocabulary...

Lesson Planet

#### Greener Redox Lab

Do some experimentation with reduction-oxidation! Stoichiometry superstars use a single-replacement reaction to study limiting reactant, theoretical yield, and the reactivity of metals through a lab activity. The teacher's guide includes...

Lesson Planet

#### Electron Transitions

Ready for a lab with a lot of razzle-dazzle? Young chemists observe flame tests of common salts through an always-popular activity. The updated resource focuses on observation skills, collaboration, and green chemistry practices.

Lesson Planet

#### Essential Oil Extraction Using Liquid CO2

When life hands you lemons ... experiment on them! Green chemistry gurus compare extraction methods for essential oils through a lab activity. Lab groups use traditional distillation and liquid carbon dioxide extraction methods, then...

Lesson Planet

#### Medical Ethics

Just because we have the ability to determine an organism's traits through genetic testing, should we do it? Middle-school medical experts examine the ethical dilemmas in biotechnology in the 17th and final installment in a series of...

Lesson Planet

#### Synthesis and Analysis of Biodiesel

Fossil fuels are non-renewable resources and have become crucial to the livelihood of countless individuals. Young chemists investigate an alternative method of generating energy by performing a series of activities that lead to the...

Lesson Planet

#### Recovery From Drug Addiction

Are there factors that put some individuals at a higher risk for drug addiction than others? Learn more about the risk factors that may make some people more susceptible to addiction, as well as protective factors that help prevent...

Lesson Planet

#### Prescription Pain Medication: What You Need to Know

The national epidemic of opioid addiction is making its way into high school populations. Educate the students in your class about the ways prescription opioids can both block pain and deliver large amounts of dopamine that make it very...

Lesson Planet

#### Looking Into Lactase: Guided Inquiry

Milk does a body good ... unless, of course, someone is lactose intolerant. Pupils play the role of pharmaceutical scientists in a guided inquiry lab about lactase. Lab groups collaborate to learn more about lactose intolerance, how...

Lesson Planet

#### Berries...With a Side of DNA? (High School)

Is DNA still present after picking fruit or cooking vegetables? Biology scholars extract and collect DNA strands in an impactful lab. Working groups prepare their samples and compare their results to negative and positive standard...