Salty Solutions

A classic investigation on the density of liquids is explained for you in this lesson plan. Te begin, you prepare water samples of different salinities and then add different food coloring to keep them separated and easily identified....

Focus on inquiry-based learning in your science class with a series of activities designed for middle schoolers. A helpful packet samples four different texts, which include activities about predator-prey relationships, Earth's axis and...

Sometimes, the best solution to a problem can be found by walking in someone else's shoes. Here, scholars use character cards to take on the roles of people around the world. They determine how their character's life affects our...

Students identify the different types of solutions and the changes that occur when dissolved.  For this investigative lesson students complete a lab activity on solutions.

In this solutions worksheet, students review types of solutions, concentration and saturation of solutions, and suspensions and colloids. This worksheet has 10 fill in the blank, 7 multiple choice, and 6 short answer questions.

You know global warming is real when your squirrel feeder is full of popped corn instead of kernels! Activity two in a series of five allows learners to explore climate change through the eyes of another. After briefly analyzing their...

Explore the Earth's different ecosystems through four lessons, an assessment, and extension activities. Lessons include informative text and step-by-step instructions to apply knowledge in interactive, and thought provoking ways; such as...

There's more to climate than just the weather — explore the different components that affect weather with an enlightening resource. A hands-on unit takes an inquiry-based approach to studying wind and ocean currents. Learners discover...

Many arctic mammals, such as polar bears, seals, and walruses, depend on the sea ice about 3 m thick for their habitat. Pupils investigate the properties of polar water and polar ice and their properties through readings, videos, and...

Students examine the process of osmosis and salt regulation in marine animals. Working in groups, they visit experiment stations and place potato slices into different salt solutions. After examining freshwater plant cells under a...