Students construct an interactive ozone depletion model using gumdrops and toothpicks. After analyzing the data obtained from the model, they record it on butcher paper and complete worksheets about oxygen.

Fifth graders, in groups, conduct an experiment in which they measure ground level ozone levels using an ozone measuring kit. They analyze and compare the weather conditions and locations where ozone readings are highest and lowest.

High schoolers examine the properties of different materials used to make paper money. They design their own bill and share it with the class. They also watch a video clip and read an article about making money and how it affects the...

In this organic compounds worksheet, learners read about the development of chlorofluorocarbons and the breakdown of this compound in the atmosphere. Students complete 2 short answer questions.

In this ozone activity, students read about the ozone layer, its make-up and its depletion. They answer three critical thinking questions about ozone and the ozone layer.

In this star magnitude and multiplying decimals learning exercise, students solve 5 problems using the magnitudes of given stars to determine which stars are the brightest, they determine the magnitude differences of stars and they sort...

Students make constructions and conjectures. In this geometry lesson, students construct right, acute and obtuse angles using a straight edge and a protractor. They investigate parallel lines and the angles formed by the angles.

In this cancer instructional activity, learners read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion questions,...

Learners engage in a lesson which includes flame tests and the construction of a simple diffraction spectrograph with which to measure sodium ion emissions. They use the Bragg equation to compute the wavelength of the line spectra produced.

In this control and experimental variables worksheet, students read about the variables in an experiment and practice identifying each in 2 experiments. Students analyze the data in an experiment, identify the hypothesis and the...

Students define electromagnetic radiation, list major categories and uses of electromagnetic waves, identify potential health risks with electromagnetic waves, and demonstrate understanding of Plank's constant by solving quantitative...

Students examine the value of ecosystems. They read and analyze an article, evaluate ecosystem services, research the benefits of biomonitors, and design a public service announcement.

In this space radiation worksheet, students read about the various types of radiation humans are exposed to. Students answer 5 questions based on the reading. They calculate the amount of energy gained when exposed to a certain amount of...

For this moon's atmosphere worksheet, students read about the tenuous lunar atmosphere and solve 4 problems. They find the density of helium particles, they find the grams of given atoms in the moon's atmosphere and they find the volume...

Students study flavinoids and how they exist in the plant kingdom.  In this pigment lesson students complete a lab activity to see how flavinoids move in substances then record their observations.

Students list conditions necessary for humans to survive. They then mix yeast with a nutrient broth consisting of warm water and table sugar in a plastic bottle, capping it with a party balloon and compare the factors within the bottle...

In this cell cycle instructional activity, students review how enzymes control the cell cycle and what happens when the cell cycle becomes uncontrolled. This instructional activity has 7 short answer questions.

In this name scramble worksheet, students practice the skill of unscrambling the names of ten African birds. Students share their answers with their classmates.

In this atomic structure learning exercise, students solve twelve problems related to wavelength, frequency, electron transitions, emission spectra and quantum number.

Students take a closer look at human skin. In this biology lesson plan, students describe the four functions of the skin as they complete a hands-on activity.

In this types of stars instructional activity, learners complete a table with the color and star type for 17 stars. They are given their luminosity and surface temperature along with a chart that has characteristics of stars to use as...

In this solar activity worksheet, students complete a puzzle given a word bank with matching numbers. The numbers correlate to the answers to basic math problems that use the order of operations. Students use their mathematical answers...

In this geometry worksheet, students solve problems about congruent, parallel, and perpendicular chords and bisectors.  There are 9 problems with an answer key.