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.

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 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...

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 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 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 how to calculate surface area. 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...

Read and fill in the blanks of this passage explaining the parts of a plant. 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 the three branches of government. Each blank has a drop-down menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be...

[Free Registration/Login Required] This ACT, SAT, and GRE prep site from Number 2 offers tutorials, practice sessions, a vocabulary builder and college planning information. The site was planned by university professors experienced in...

This site explains how scientists are using nanotechnolgy to accomplish a variety of tasks. You can click on a scientist and they answer your question through audio.

Find answers from the U.S. Department of Energy to your questions about biodiesel, its blends, and benefits. With additional information that explains how the fuel is made and distributed.

Can your rights protect you if you don't even know what they are? Supreme Court case Miranda v. Arizona answered that question by requiring police officers to read the "Miranda Rights" when making an arrest. This text will explain the...

Read and fill in the blanks of this passage explaining nutritional needs. 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 soil. 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 who eats what. 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 habitats where plants and animals live. 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...

A short 6-question online quiz to test your knowledge of compounds. Explains the correct answers after the students answers have been submitted.