Ninth graders explore how to properly load black and white film. They observe black and white film being loaded into the developing tank and students correctly load the film into the developing tank.

Young scholars generate a radioactive decay table for an imaginary element, use their data to plot a decay graph, develop the concept of half-life, and use the graph to "age" several samples.

Students examine the concepts of porosity and permeability. They conduct experiments to determine the porosity and permeability of gravel, sand, and clay. After performing the experiments they collect and graph data, comparing the...

Students examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.

Students explore climate regions. In this climate lesson, students examine the climate regions of Alaska as well as the state of Hawaii. Students research selected Internet sources to gather information regarding the climates present in...

Students study

First graders read the story "The Little House" and discuss changing patterns and then create a seasonal mandala using a paper plate and crayons.

Students watch the movie "Muppet Treasure Island" and then taking on roles of characters in the movie answer navigational questions to try discover the location of a treasure hidden by the teacher.

Students recognize the concept of temperature, including degrees, and the melting and freezing process. In this 1st - 2nd grade lesson plan, students identify the temperature of various objects, as well as create their own paper...

Students examine the problem of groundwater pollution. In groups, they develop a solution to solve the problem of a local polluted water source. They also practice measuring the space between sediment particles and the rate of water flow.

Students participate in game show like games when reviewing material for any subject or grade level.

Young scholars experiment to discover how different variables affect the water cycle. They do hat flow experiments and construct a computer heat flow model.

Learners discover the differences between weather and climate in this long-term lesson introduction. They create rain gauges and practice reading rainfall measurements, view a website showing the cloud cover in their location and draw...

[Free Registration/Login Required] Here you will find all kinds of fun resources to celebrate the 100th day of school. Reproducible bookmarks, certificates for perfect attendance, coloring and dot-to-dot activities, math activities,...

This interactive worksheet combines all four operations. The focus is on addition and subtraction fact through one hundred and basic multiplication and division facts. This easy to navigate activity offers learners immediate feedback and...

Use this chart to explore counting and number patterns up to 100. Choose from thirty different colors for your paintbrush as well as five different versions of the hundreds chart, or start with a blank chart. There is also an auto color...

In this Max's Math Adventure, estimate pieces of candy with Max, Ruthie, and Pop. Features include a teacher's guide, activity sheet, and extra challenges.

Solve word problems involving multiplication and division. Solutions will be less than or equal to 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] This is a tool that gives a video demonstration and follows up with a pratice activity that checks for understanding.

This interactive worksheet focuses on math concepts such as algebra, measurement, geometry, problem solving, and number sense. Answers to questions are available immediately and can be printed. Help links are also available to learners...

Students can practice addition and subtraction of 100 on a number line with this activity.

Do you know how long it takes your heart to beat 100 times? Test your estimation and number sense skills with this problem-solving challenge. A one-page activity taken from the NCTM Math Challenges for Families Collection. Hints and...

Use this game to improve your ability to create an angle with a specific number of degrees. You can set the angles to the size you want on this game. Just follow the instructions below it!

Explore a real-life application of percentage-the math behind rates of inflation-in two animated videos about inflation from KQED. The first video provides an overview of inflation; the second explains the role of inflation in a healthy...