Students calculate the strength of gravitational force exerted on the moon by the sun and earth. For this orbital lesson students view a demonstration to see the gravitational forces between bodies.

Students investigate the probability of global warming and the effects of global warming on the environment. They conduct Internet research and collect data, transfer the data onto an Excel spreadsheet, and create a presentation that...

Students consider the effects of acid pollution on coral reefs. They brainstorm previous knowledge about coral reefs, examine a piece of coral and observe its reaction to acid and list ways we can prevent pollution from reaching the reefs.

For this physics worksheet, students use the clues given on the bottom of the sheet to complete the crossword puzzle on sound. There are 18 clues to solve in the puzzle.

Third graders use the internet to record the daily weather conditions. Using symbols, they take the information they gathered and create an easy to read chart. They share their charts with the class to end the activity.

Students develop procedures to explore the behavior of fish.  In this scientific experiment lesson students from a hypothesis, write a question, identify different variables and controls in their experiment. 

In this math facts instructional activity, students read about using the circle drill speed chart to practice addition facts, division facts, multiplication facts, and subtraction facts. Student use the blank charts to practice the skill.

In this harmonic motion worksheet, students use the equations for the speed of a wave and speed of sound to complete 9 problems and 9 fill in the blank questions.

Ninth graders study Newton's Laws and apply these concepts to travel in space.  In this space lesson students complete several lab activities. 

Students discover how the "drinking bird" functions. For this investigative lesson, students discover what makes the drinking bird drink by analyzing relative humidity, temperature, and barometric pressure.

Students study angiosperms and their classifications.  For this investigative lesson students compare the sexual reproduction of angiosperms and seed formations. 

Students examine how to conduct simple investigations and use simple equipment to gather data.  In this magnet lesson students decide what types of objects are attracted to magnets. 

In this light worksheet, students calculate the frequency and wavelength. Students practice applying Planck's constant and determining the energy of a photon. This worksheet has 9 problems to solve.

Students explore the lives of bgeahvers. They identify the physical and behavioral adaptations that help beavers survive in their environment. Students compare and contrast how beavers influence the ecology of both forest and aquatic...

In this crossword puzzle, students answer 27 clues about vocabulary terms related to the reproduction of both animals and plants.

In this writing instructional activity, learners first correct mistakes in sentences about sports, use a word box and fill in blanks in a paragraph, then write a paragraph of their own about a favorite sport.

Students comprehend how the organisms that exist within the ocean biome, and categorizing each into producer, consumer, or decomposer. They place various human actions under the headings of "hazard" or "help," illustrating how humans can...

In this crossword puzzle worksheet, students are given the answers to 18 clues about vocabulary related to the reproduction of animals and plants.

In this grammar review worksheet, students practice their language arts skills as they examine 10 sentences and choose the correct words to complete the sentences.

Students observe how to distinguish observations form inferences.  In this examining inferences lesson students list observations relating to the activity and discuss the importance of them. 

In this chart worksheet, students complete one column in a chart to determine total hours of exercise time, then use the chart to complete 4 additional questions.

High schoolers brainstorm a list of the achievements of people in their lives. In groups, they discuss the decisions that help people meet their goals later in life and identify values that help one overcome obstacles. They use the...

Young scholars solve a story problem about how many trees can be planted in a given area. Using a map, they gather information about the size of the area and the dimensions of an acre. They use a specific equation to determine the area...

In this metabolism test review, students define several terms. Students write balanced chemical equations for aerobic cellular respiration. Students complete several multiple choice questions.