Free on-line ACT test allows you to see your answers and explains the ones you got wrong. This site also includes practice tests for the GED, SAT, TOEFL, and many other exams.

GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are? Wilton L. Virgo explains how the answer lies 12,000 miles over your head, in an...

This article focuses on transition words and phrases including how to explain them to children and providing lists of transition words and phrases by types such as Time and Sequence, Cause and Effect, and Conclusion. It also provides a...

This article explains what adjectives do, the questions they answer, and provides examples. It also provides a list of links to websites where adjective lesson plans, worksheets, and activities can be found.

Read the description of each segment, then identify up to three elements of powerful teaching and learning best represented in the segment. Once you've identified the elements, explain your answers.

A newsletter article from award-winning author and illustrator Peter H. Reynolds in which he explains his journey from doodler to publishing success. Reynolds also discusses eight tips for creative publishing so that you're ready to...

This site explains Integration by Parts and then has several examples that you can work out on your own. You may check your answers when your finish!

Explains what conditional statements are in mathematical proofs, explaining an if then clause, be sure to read the second response to the initial question if this topic appeals to your curiosity.

This lesson focuses on how to understand a reading question; it details three main parts: look for content and process words, state the question in your own words, and restate the question as a statement. It explains each and provides...

This is a final assessment for the novel Animal Farm by George Orwell. There are two groups of assignments: Group 1 requires students the choose one from three essay questions and answer it according to requirements. Group 2 requires...

Resource explains how to set up a "control center" to organize your job search much like a business.

Here's a conundrum: Identical twins originate from the same DNA - so how can they turn out so different? Carlos Guerrero-Bosagna explains that while nature versus nurture has a lot to do with it, a deeper, related answer can be found...

This article explains the difference between various OTC medications, and prescription medications. It provides a chart, and answers several commonly asked questions throughout. This is a good site to check out and get information on the...

The Palette of King Narmer is so precious it is never allowed to leave the country. This source brings it into your classroom in the form of vibrant pictures and descriptions. The different theories about what the pictures on the palette...

In this thorough lesson, nodes and antinodes are explained and compared to crests and troughs. A "Check Your Understanding," set of questions is included at the end of the lesson with answers.

Read and fill in the blanks of this passage explaining digestion and nutrition. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along...

Read and fill in the blanks of this passage explaining the new scientific method procedure in the lab. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer...

Read and fill in the blanks of this passage explaining charges and electricity. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along...

Read and fill in the blanks of this passage explaining the water cycle. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along with your...

Read and fill in the blanks of this passage explaining the water cycle. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along with your...

Read and fill in the blanks of this passage explaining minerals. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along with your choice.

Read and fill in the blanks of this passage explaining natural resources. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along with...

Read and fill in the blanks of this passage explaining quarks inside the atom. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along...

Read and fill in the blanks of this passage explaining atomic history. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along with your...