Red, Green, and Blue Mystery Liquids! Hypothesis or Inference?

Sugar crystal growth is observed as an example of physical change and cabbage juice pH indicator is used to demonstrate chemical change. The crystal growth is tracked over five days. The cabbage juice experiment is involved and can also...

Energize the cells of young biologists with an edible life science activity. Engaging students in exploring the inner workings of plant and animal cells, this activity involves using colored jello and various sweet and...

Students distinguish between physical changes and chemical changes. They comprehend that chemical reactions produce new substances with compositions and properites which are different than those of the starting materials. Pupils also...

When you hear Leonardo da Vinci mentioned, chances are that you think of the Mona Lisa, or flying machines—but what about plastic? Learners blend heavy cream and vinegar over heat to replicate da Vinci's early organic plastic recipe.

Why do metals rust differently? Scholars experiment with metal combinations in a hands-on activity. They create unique environments with different metals and compare the rate and amount of rust for each.

The earth sciences are the focus for this Jeopardy-style review game. Categories include geology, space, scientific investigation, meteorology, and oceanography. Diagrams and pictures are involved with most of the questions, making this...

In 1952, a mysterious fog killed an estimated 4,000 people in London, raising awareness of the relationship between air quality and public health. An interesting video explains two different types of smog, describing the conditions...

Extraterrestrial life? What makes life possible? What makes a habitable planet? These are the questions explored through this video. Some of the concepts presented include the essentiality of water for life and how its liquid form is not...

Students explore Newton and his Second Law by observing a demonstration involving a can that rolls away, then rolls back to where it started. They construct their own Come Back Can and describe how the cans work.

Learners experiment with the combination of vinegar and baking soda. For this applied science lesson, future scientists compare qualitative and quantitative data collected from their exploration. Then they work together to analyze and...