Students guess the subject of the given problem by reasoning. Then they discuss the ways that the problem could be solved by keeping track of their counting in 10s and showing their work.

Students explore modular arithmetic involving base eight. They participate in an activity where society functions around the numbers one through eight. Students explain how life will operate with only these numbers.

In this English worksheet, students read " Record Bank Robbery in Brazil," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.

Young scholars examine an effect of zero gravity on the human body using a baby food jar, balloons and a jar with a large mouth.

Learners use Robert Temple's "The Genius of Chins: 3,000 Years of Science, Discovery and Invention", to understand how much the Chinese have contributed with their scientific and technological ability.

First graders create pictographs and interpret results of transportation home from school.

First graders are introduced to calculators. They complete a variety of math problems using calculators and identify basic parts on a calculator.

Third graders take notes on a PowerPoint presentation featuring calculating and analyzing data. They practice skills highlighted in the presentation and create a table in Microsoft Excel showing data analysis.

Students study the history of Chinese technology by identifying when and where items were invented or discovered.

Students discuss the threats facing migratory species and track the seasonal journeys of wildlife in real space and in cyberspace. Once they have gathered information from several sources, they create a portfolio to share with others...

Students create a model to explore the water cycle. Students also perform different experiments to witness water changing from a liquid to a gas. Students are asked to if they can find ways for water to go away without pouring the...

First graders investigate the missing numbers on an equation chart in order to practice their addition and subtraction skills. They work with sums up to twenty and use up to twenty objects to work with subtraction equations. They listen...

Students use the properties of multiplication to solve problems. They recall the basic multiplication facts as well as write and solve problems that involve whole numbers.

Students work systematically to find all the possible combinations. They Students write and solve problems which involve whole numbers and which require a choice of one or more of the four arithmetic operations.

Students play with a ping pong ball sized piece of modeling clay observing what happens to the clay as they play with it and write their observations in their notebooks. They share the results of their observations introducing the term...

In this computer models worksheet, students read information about how scientists use computer models to advance the work of science. Students also answer a critical thinking question comparing computer simulations to direct observations.

Students investigate the money creation process and calculate the upper bound of the money creation process using a money multiplier. In this money creation lesson, students use a imitation $100,000 bill. Students demonstrate successive...

Learners research inventions and their role in the history of civilization. In this inventions lesson, students choose an invention from a grab bag and research information to answer the worksheet.

[Free Registration/Login may be required to access all resource tools.] Covers the pathways of the pulmonary and systemic circulations.

Detailed information about the many functions and components of the cardiovascular system. Also looks at the lymphatic system and cardiovascular disease.

In this lesson plan students will observe the dispersion of a drop of food coloring in water, draw conclusions about the movement of dissolved substances, and develop explanations about the importance of organisms' internal transport...

In this activity students explore the human heart and circulatory system. To promote deeper understanding of key concepts, the activity also includes a procedure for observing preserved sheep hearts.

In this unit teachers will evaluate student's current understanding of the heart and circulatory system through a pre-assessment. They will develop group concept maps and then repeat the assessment. Teachers can compare their prior...

A complete, self-paced lesson on the heart and circulation. Students work their way through illustrations and animated tutorials, and answer review questions along the way. There is a self-checking quiz at the end of the lesson.