In this catalysts instructional activity, students use transition metal ions to catalyze oxidation reactions of iodide ions. Students measure the rate of the reactions by measuring free iodine as a product.

In this composition of soil learning exercise, high schoolers study the make-up of soil by identifying the amount of air in the soil, the amount of water in the soil, the size of the mineral grains in the soil and the proportion of humus...

Young scholars investigate how friction affects the movement of a block across surface areas. They test five different kinds of surfaces—smooth surface, wax paper, a paper towel, course, and fine sandpaper. They predict and record the...

Students extract DNA from an onion using household equipment and supplies.

Students describe how objects in the universe range from smaller than atoms to larger than galaxies. they explain how the metric system works and compare it to the English system of measurement.

Young scholars investigate the amount of fresh water on earth and which water can be used for consumption. In this fresh water lesson plan, students calculate the amount of fresh water that can be used for consumption on earth. They use...

In this estimating cell sizes worksheet, students read about the relationship between a cell's size and the rate of cell waste diffusion. Students solve 4 problems including writing the equation for the rate of waste exchange, finding...

In this sunspots and magnetic fields worksheet, students read about the satellite images taken showing 'loopy' patterns from solar gases and the magnetic fields on the sun. Students solve 2 problems including finding the volume of a...

Students describe the differences between an estimate and a guess. They create reasonable estimates based on comparison and activities. Students explain how estimation is helpful in showing the relative size on a scale. They also...

Students explore types of water reserves. In this water conservation instructional activity, students brainstorm ways water are used in their homes. Students use a graduated cylinder to simulate the amount of water on Earth and the...

In this metrics worksheet, students read information about the metric system. Students review the concepts of prefixes, conversion ratios, and the decimal system. This worksheet has 17 matching, 31 fill in the blank, and 8 word problems.

 In this Integrated Algebra instructional activity, students solve problems that reflect the topics covered during the course of work.  The answer key identifies each question by standard and topic.  The twenty-four page...

Students map and calculate the area of the school parking lot and then the volume of water falling on the school parking lot. They map the route surface runoff will take to the nearest water body and describe the roles that human...

Learners determine which types of garbage are biodegradable and which are nonbiodegradable. They practice measuring skills, hypothesizing, taking data, and writing a lab report. Students observe the relative biodegradability of metal,...

In this real numbers worksheet, students perform the given operation with decimals, whole numbers, and fractions. They find the area and perimeter of circles. Students determine the volume of cylinders. This three-page worksheet contains...

In this calculations instructional activity, students find significant figures in numbers, they determine densities of substances and objects, they convert from one metric unit to another and they determine the appropriate unit of...

Students construct and maintain a school garden. In this gardening lesson, students plan the construction of the garden by writing letters to local businesses asking for supplies and materials; students build the garden using their math...

In this soap instructional activity, high schoolers produce soap in the laboratory and test their product by using it to wash away engine oil. Students answer four questions about tests they perform on their soap.

Learners identify and describe various organisms living in a pond water environment. They describe the characteristics of living things. Students compare and contrast organisms created by asexual reproduction and sexual reproduction....

In this conversion worksheet, students solve 9 problems where they convert from one unit of measurement to another using a given table with conversion factors.

Young scholars build nets of three-dimensional prisms based on the dimensions they are given for hexagonal prism, triangular prism, rectangular prism. Working in groups, they use their prisms and calculate the Surface Area and Lateral Area.

Students discuss the differences in the types of garbage. They use these differences to separate a sample of garbage. Partners then investigate the characteristics of landfills by searching on the Internet and by creating your own...

First graders identify, interpret, and gain proficiency in using a clock to tell time to the hour and determine how many minutes are in an hour. They identify and list what they do as they travel through their dayand how much time you...

In this absolute zero worksheet, learners experiment with a closed-end syringe and a ice bath and boiling water. They record volumes of gases in the syringe as well as temperatures of the water and they plot their experimental data. They...