Students discover the origin of the Great Ocean Conveyor. They participate in a demonstration showing how salinity and temperature affect water density. They also examine the new sea ice that forms every winter.

Students describe the three forms of water. Students list reasons why water is necessary. Students access the Internet to complete Prediction lab report worksheets and FCAT-Style Questions worksheets.

In this glaciers worksheet, students review terms associated with glaciers including esker, till, plucking, and outwash. This worksheet has 14 true or false questions.

Students explore the different forms that water can take and conduct simple experiments to demonstrate some of its properties in each state. They watch a short video that illustrates some of these concepts.

Young scholars will observe the amount of water in an open container over time and also examine the amount of water in a closed container over time. They then will compare and contrast the sets.

There are some amazing ways species evolve to survive. From large ears to sneezing salt, learners read about these interesting adaptations in an interactive lesson. Great to supplement an in-class lesson, it also works well as a remote...

Students explore the water cycle using educational resources. In this water cycle lesson, students use a global climate DVD to complete a scavenger hunt on the hydrologic (water) cycle.

Here's a reading exercise that uses an article about the inner planets to assess comprehension. After reading the article, kids respond to a series of questions using information from the text.

In this 3rd grade science worksheet, 3rd graders complete a total of 25 multiple choice questions related to grade 3 concepts. An answer key is given.

Students learn how science affects foods. In this chemical reactions lesson, students make two kinds of ice cream. They evaluate the different changes based on the ingredients.

Students explore how to divide things into equal parts, by making delicious banana drops in class. They must divide their banana's equally before they complete the recipe to make banana drops.

For this vocabulary worksheet, students match vocabulary to definitions of words representing winter. Students complete 20 matches total.

In this half-life worksheet, students determine how much of the radioactive isotopes will remain after a certain amount of time. This worksheet has 11 problems to solve.

Students explore matter. They use a formula to measure the volume of matter.

In this participial adjectives worksheet, learners choose the correct way to complete the sentences with adjectives either ending in -ed or -ing. Students complete 16 sentences.

In this winter facts worksheet, students use provided links to find answer to 17 winter related questions. Two bonus questions are included.

First graders investigate the changing states of water.

Young scholars categorize items into one of the three states of matter. They participate in a demonstration in which they represent particles of matter. Finally, they complete an experiment in which they "race" top see who can make...

Students demonstrate the path of food in the body. In this biology lesson, students conduct an experiment to determine how large the the digestive system is. They name the different organs involved in the digestive process.

[Free Registration/Login may be required to access all resource tools.] What happens to matter when it melts and the definition of melting point.

The concepts of melting point and freezing point are explained on this site.

[Free Registration/Login may be required to access all resource tools.] Explains what happens to matter when it freezes and the definition of freezing point.

Read the passage and study the graphics concerning Melting Point and Thermodynamics of Double-Stranded DNA and then answer the five question quiz.

Freezing temperature, the temperature at which a substance turns from liquid to solid, and melting temperature, the temperature at which a substance turns from a solid to a liquid, are characteristic physical properties. In this...