Rings and golden nuggets contain the element gold, but how small can you break it down before it is no longer considered gold? A helpful presentation explains the basics about atoms, elements, and isotopes through a presentation.

In this earthquakes and volcanoes learning exercise, students will review how volcanoes are formed and where they are found. Students will describe earthquakes and their magnitudes. Students will use a table to answer questions about...

Learners work together to discover the relationship between the angle of catapults and the flight of different objects. They discover the heavier the object the more force is needed. They examine how engineers use this information to...

Sixth graders use small electronic devices known as thermistors to measure the temperature beneath an object such as a coffee cup as it slides across a surface. By choosing different surfaces, 6th graders can compare in a quantitative...

Learners observe water samples and measure the samples' water quality. Learners develop their own criteria for measuring water quality and test for temperature, acidity, oxygen levels, turbidity, conductance, sediment and hardness.

Students complete activities to examine the properties of water. In this water science lesson, students read a book about water's forms and study a map or globe of the Earth to investigate water. Students discuss living things that need...

In this Earth worksheet, students read about Earth's gravity, the reason the Earth has seasons, and time zones. Then students complete 21 multiple choice, 2 true or false, and 1 short answer question.

In this forces worksheet, students will review the different types of forces and how forces are measured. This worksheet has 9 fill in the blank, 1 short answer, and 11 multiple choice questions.

Students experiment with the concept of Newton's second law of motion. After building a ramp, they determine whether a large marble or a small marble will move farther, based on Newton's law. Students record their data on the provided....

High schoolers examine the concept of inequality. They compare and contrast vertical and horizontal inequality and identify methods on how inequality is measured. They research trends of inequality in the United Kingdom.

Fourth graders study everyday examples of simple machines. They examine how the combination of a wheel and axle works more efficiently than either in isolation. In a demonstration lesson, they see how a spring scale shows a force pulling...

In this weather worksheet, high schoolers review what causes different weather patterns including the more severe weather patterns like tornadoes and hurricanes. Students also calculate relative humidity by using dry and wet bulb...

In this international volunteer day learning exercise, students read or listen to the passage, then match phrases, fill in the blanks, choose the correct words, unscramble words and sentences, put sentences in order, write discussion...

Students carry out an experiment to monitor diurnal fluctuations in dissolved oxygen, carbon dioxide, pH, and water temperature. They determine the CO2 and pH of the samples (and optionally, dissolved oxygen). Students complete their...

Students measure frictional force existing between a moving cup and the surface it slides on. They conduct the experiment and answer discussion questions.

Students plant seeds and watch them sprout. Once growing plants are placed in different conditions and students record data about their growth. They graph the data.

Middle schoolers use a two-liter bottle, dowel rod and index cards to design and construct a water wheel. They then calculate the power created and measure the work done by the water wheel in Watts and Joules.

Students discuss how weight is directly related to gravitational force on a planet. Students then choose Space Traveler as companion and compute how much their guide weighs on various planets, based on each planet's relative surface...

Students define density and observe that things that are less dense than water will float. Students find the density of copper, iron and aluminum

Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...

Third graders measure the heat created at each center.

Ninth graders investigate relationship between the temperature and concentration of dissolved oxygen in water. They examine how pollution and other natural influences can cause the parameters to change. In groups, 9th graders collect...

In this English learning exercise, students read "Soccer - the World's Most Exciting Sport," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.

In this math activity, students solve 4 story problems which pertain to Halloween. Students estimate, calculate prices, and convert liquid measures to solve these problems.