Homework Help Teacher Resources

Who has the authority? Viewers investigate the case of Gibbons vs. Ogden. They examine the issue of a Supremacy Clause in determining what powers the federal government would have over trade in the United States. This is the seventh...

What is judicial review? The 10th and final segment of a series on prominent Supreme Court cases takes a look at the case Marbury vs. Madison. Viewers examine how judicial review came about and further strengthened the principle of...

Word problems can make even expert mathematicians go blank. Practice solving word problems with an extended version of the GUESS method (givens, unknowns, equations, solve, substitute), which adds the steps of drawing a diagram, making...

Very young scientists circle the things on the instructional activity that they think are living things. Most of the pictures are of non-living things. A handy instructional activity to use during any initial discussion about living vs....

Debunk the theory that a soda-and-candy diet is a nutritionally sound concept! Learners first read 2 paragraphs of background information covering essential nutrients, digestion, and homeostasis. Then, they use the information they...

How is an animal formed? Scientists use a diagram to examine early post-fertilization stages, and the creation of the blastula. They look at a second diagram to observe the transition from the blastula to a gastrula. Three comprehension...

In this pre-algebra addition and subtraction of fractions and mixed numbers worksheet, learners add or subtract fractions in the first 10 problems. They write the answers in simplest terms. They add or subtract mixed numbers in the last...

This worksheet tests general knowledge of scientific fields with a focus on those involved in earth science. Learners fill in 9 blanks using the provided word bank of scientific fields. In addition, there are 2 questions specifically...

Examine water pollution and legislation through this reading comprehension worksheet, intended to correspond with a specific text but valuable even without it. Learners read 10 sentences, unscrambling the bold word to complete each (i.e....

In this literature worksheet, students respond to 7 short answer and essay questions about J.D. Salinger's The Catcher in the Rye. Students may also link to an online interactive quiz on the novel at the bottom of the page.

Students imagine what it was like to be part of the Lewis and Clark expedition. In this Lewis and Clark Expedition lesson, students watch "East Meets West: Americans on the Move," and then write journal entries from the...

Students watch the Discovery program "Racial Inequality: Remnants of a Troubled Time" then examine the ratification of the 14th Amendment and the Plessy v. Ferguson decision. They research one of three events that tested Brown v. Board...

Students discover the role of technology in 20th century conflicts. In this technological advancement lesson, students research how World War I, World War II, Vietnam, and the War in Iraq were fought. Students compose essays that...

Students conduct a series of experiment on incandescent and fluorescent bulbs. In this physics lesson, students explain how they operate. They compare the efficiency and power rating of both bulbs.

Students examine the basics of luminous efficacy and why it is used.  In this light source instructional activity students test energy efficiency and the luminous efficiency for babies.

Young scholars explain how Daniell cells work. In this electrochemistry lesson, students conduct a variety of experiments to explore the different types of cells. They create a model of Daniell cell.

Students construct their own battery made of lemons. In this electrochemistry lesson, students explain why lemons conduct electricity. They perform a series of experiments to investigate its conductivity.

Young scholars explore what the Bermuda triangle is and the theories as to why it is so mysterious.  In this mystery lesson students read and discuss the history and the mystery behind the Bermuda Triangle. 

Students explore how compass and Gauss meter detect a magnetic field. In this physics lesson, students build their own Gauss meter and sensor based on given procedure. They cite real world applications of magnetism.

High schoolers conduct a series of experiments on magnetic levitation. For this physics lesson, students discover how Maglev trains operate. They explain how magnetism make even simple objects levitate.

Students study what an electric generator does and its history.  In this energy lesson students complete several experiments including building their own electric generator.

High schoolers explore the nature of electromagnetic spectrum through a series of experiments. In this physics activity, students determine how light behaves under certain circumstances. They explain how humans perceive colors.

Young scholars conduct a series of experiments on electromagnets. In this physics activity, students build their own electromagnet and explain how it works. They determine the factors that affect its strength.