Take the old baking soda and vinegar volcano to the next level by using it to study repeated lava flows over time, examine geologic features on Earth and Mars, and speculate about some of the formations on Mars. 

Pupils explore and explain how moon snails eat and where the holes in clamshells come from and then draw conclusion from the data collected. They incorporate math and graphing skills to determine if there is a relationship to a clam's...

Students determine sources and extent of ground water contaminate, apply mathematics to model in real world simulation, and use technology to present results.

Students discover the relationships between minerals, crystals and gems. They bring in rocks that they find at home, in the schoolyard, etc. and examine them and attempt to identify them. They set up a classroom exhibit that includes all...

Students tell time. In this ELL vocabulary development and math lesson, students orally tell time to five minute intervals when shown a classroom clock. Students practice using number and "telling time" vocabulary in sentences and...

Pupils analyze data to make hypotheses and conclusions regarding the predator/prey relationship between moon snail and surf clams.

Students measure the pH of soil samples from a hypothetical site to locate a contaminant spill and will predict the direction of groundwater flow using mathematical modeling. They use the engineering design process to develop...

Students investigate the three types of material stress related to rocks. They identify the three types of stress, conduct a simulation by breaking bars of soap using only their hands, and complete a worksheet.

How well do you know your addition and subtraction facts and multiplication tables? In this article you'll learn what brain studies show about the value of memorizing and using such fact sets.

Download these free worksheets to sharpen your multiplication skills in a variety of formats.

Create your own subtraction math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and maximum values...

Create your own division math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty - basic or advanced. You input minimum and maximum values of the numbers to be used,...

Create your own multiplication math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty - basic or advanced. You input minimum and maximum values of the numbers to be...

Create your own addition/subtraction math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and...

Go from rags to riches as you advance through the levels in this "Who Wants to Be a Millionaire?," type multiplication game.

In this interactive website put twenty multiplication problems in order according to the increasing value of their products.

Create your own addition math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and maximum values of...

Students can practice multiplying by powers of ten in this quick-fire math drill. 120 exercises are presented, in which students must perform the multiplication. All exercises are some number multiplied by 10, 100, 1000, or 10,000.