In this heating and cooling curve instructional activity, students use a given graph of a substance being heated from a solid to a liquid and then a gas over time. They use the graph to answer eleven questions about the phases of the...

Tenth graders research about the different cell organelles. In this series of biology lessons, 10th graders compare two allotropes of carbon. They investigate how the rate of reaction is affected by concentration.

In this periodic table worksheet, students create cards for a annotated periodic table then use it to answer 16 short answer and fill in the blank questions.

Students conduct a series of experiments in which they explore chemical reactions. They detect chemical changes by observing how physical properties change when two different chemicals are combined. They list and describe the reactants...

Learners are introduced to the laws of thermodynamics. The 1st law of thermodynamics states that the energy must be conserved when two objects of different temperatures come in contact. If one object gains energy, the other object must...

Students model the arrangement of particles in a liquid. They use the model, to demonstrate how a gas is formed from a liquid with no increase in temperature as energy is added. Pupils model the arrangement and movement of gas particles.

In this chemistry terminology worksheet, students review and discuss nineteen terms associated with chemistry and then locate and circle each term in a word search puzzle.

In this physical equilibrium worksheet, students compare polar and non-polar compounds and the solubility of specific solutes in solvents. Students calculate molar heat, molar solubility, and molality for specific reactions. This...

For this chemistry worksheet, 11th graders take a states of matter quiz by matching 10 terms to their definitions, decide if 10 statements are true or false, and answer 2 fill in the blank questions.

Students work in small groups. They grab a handful of ice, and place the ice in an empty beaker of ice using a triple beam balance. Students heat up the beaker of ice over a hot plat until the ice has changed into water. They measure...

Fourth graders explore physical changes and the true life story of Wilson Bentley. They observe the changes that take place with snowflakes. Students discuss what happens when snow flakes melt. They create their own snowflakes using...

In this phase diagram worksheet, students use a phase diagram to determine the substance. As the temperature is changes, students figure out the new substance and process that has occurred. This worksheet has 2 problems to solve.

Students examine and discuss how atoms change from solid to liquid to gas. They inflate a balloon by melting ice that converts to steam, and discuss the results.

Eighth graders examine the development of the different temperature scales. They experiment with hot and cold temperatures.

Ninth graders participate in classroom discussions, demonstrations and hands-on laboratory activities about pure substances and mixtures with a focus on common household materials. They investigate: What is a pure substance? What is a...

Students discover that density is considered a property and that cutting an object in half does not affect its density. They examine the densities of many common substances and make connections.

In this physical and chemical properties worksheet, students read a 2 page article, identify 10 changes as physical or chemical characteristics and decide whether 3 combination of objects are chemical or physical mixtures and explain why.

Students create videos about an element on the periodic table. In this element lesson, students work with partners to create a 1-2 minute video giving interesting information about their element. They include the name, symbol, atomic...

In this carbon dating worksheet, students write and illustrate a comic strip describing the entire process of C-14 dating. Then students complete 6 short answer and 2 fill in the blank questions.

Students explore convection. In this lesson on heat and energy, students investigate how heat moves in convection currents. They use their finding to better understand how convection currents effect the movement of tectonic plates.

Eighth graders, in groups, explain the difference between physical and chemical changes.

Students examine the states of matter; solids, liquids and gases. They explain how the states of matter change from one to another.

Students comprehend that a chemcial change produce substances with a different composition and physical and chemcial properties. They state the differences between physical and chemical changes. Pupils observe changes that occur during...

Students examine icebergs and how they are suspended in water, why ice floats, the melting process of an iceberg, and the floating behavior of ice compared to that of a cork through a lab activity.