In this online interactive reading comprehension worksheet, learners respond to 25 multiple choice questions about Rowling's Harry Potter and the Half-Blood Prince. Students may submit their answers to be scored.

Rounding fractions is the focus of a six-question interactive designed to boost concept proficiency. A measured beaker's water level increases and decreases as mathematicians move the tool to represent specific fractions. Questions...

There are different types of radioactive decay, and alpha decay is when there are too many protons in a nucleus. Here is a simulation that shows alpha particles being emitted from a polonium nucleus. Learners see how radioactive decay...

Slide the resource into your lesson plans. Young mathematicians use a slider to move a movie screen to the right position for optimal viewing. Along the way, they learn to apply the half angle formulas.

The more you know, the more you can learn. Scholars apply the double angle and half angle formulas to determine trig values based on known values. They use an interactive that provides sine and cosine values to aid calculations.

Uranium 235 has a half-life of over 700 million years and is the fuel used in the atomic bomb dropped on Hiroshima, Japan. Pupils see the half-lives and decay rates of Carbon-14 and Uranium-238. They also take measurements of these two...

The experiment known as one of the most beautiful experiments in biology changed the way we think about DNA. Learn about the experiment and the scientists who designed it—as well as the scientists who built on the results—with an online...

In this halves worksheet, students circle the shape that shows two halves. Students solve 13 problems for the halves activity.

How do we know how long ago a dinosaur lived or an ancient fire pit was used? Scholars learn about the application of carbon dating and half lives to discover things about the past. They adjust the amount of radioactive carbon in the...

What makes some elements stable and others radioactive? Scholars adjust the number of protons and neutrons in an element then observe its decay. The simulation includes a graphical representation and the chemical formula, as well as...

The second half of 1943 found Allied soldiers struggling to separate Italy from the Axis Alliance and to solidify the new Italian government under Prime Minister Pietro Badoglio. High schoolers take a deeper look at the intricacies of...

Use this online interactive worksheet to practice pronouns and possessive pronouns, alone and in compound noun phrases. For 12 sentences, learners select the correct form from four choices. A good opportunity to practice the method...

Keep calm and half pipe. An exciting simulation teaches pupils about energy transfer from potential to kinetic and thermal as a skater moves through a half pipe or other track. After a brief introduction, scholars can build their own...

Who wouldn't want to wear four pairs of sunglasses? Each pair of sunglasses reduces the percent of incoming light by one-half. An interactive tutorial helps young mathematicians build a graph that models this scenario. They...

In this sentences worksheet, students complete an on-line interactive page in which 8 halves of sentences are matched to the correct endings. All sentences have a compound modifier.

Channel the masters with an interactive music composition activity! Learners use the online tool to create their own masterpieces one measure at a time.

When resting, blood goes from the heart to the lungs and back in about six seconds. An animation of the heart starts simply by showing blood flow through the two halves. It builds in complexity slowly over the course of five slides,...

How do chains of islands form? Young oceanographers explore the mountains of the deep in the final installment in a 13-part series. The interactive compares types of seamounts based on their overall height and height under the water, as...

In this paper thickness worksheet, students calculate how large a paper would get if you could fold it in half 50 times. Students complete 1 question.

For this Math worksheet, 7th graders attempt to balance books on the edge of a table. Students pile books on top of each other to extend over the edge by more than half a book length.

Even though there is a wide variety of different triangles in the world, knowing a single equation allows us to find the area of each and every one of them. Follow along with this step-by-step presentation as Zoe clearly models how to...

Use the area of polygons to calculate the area between curves. Pupils calculate areas under income and expense curves by filling the space with squares and right triangles. Using that information, they determine the profit related to the...

What's the difference between body cells and sex cells? Learners explore the question and the process of meiosis using an interactive lesson. An animation describes the discovery of meiosis and describes its phases for a detailed and...

An easy and fun way to look at data is with a pictograph. A lesson plan friendly enough for multiple grade levels shows how to set up this graph with a corresponding key. The steps review the importance of choosing an appropriate...