Do Caterpillars Eat More As They Get Bigger?

Do you eat more when you are hot or when you are cold? Young scientists observe the eating pace of two caterpillars at different temperatures. The differences in endotherm and ecotherm animals' ability to adjust to temperature change...

The larval stage of the butterfly life cycle is quite exciting. Start a discussion about the specially designed body parts unique to caterpillars. After examining images of caterpillars, learners use plastic soda bottles, string, and...

Cats and dogs throw up after eating grass because their digestive system isn't built to process these fibrous proteins. The activity allows pupils to explore animal feeding habits. Scholars discuss and define carnivores, omnivores, and...

Currently, only 2.1% of global warming is felt on continents, while over 93% is felt in the oceans. The fourth lesson in the series of 21 on global warming is composed of three activities that build off one another. In the first...

Here is a video that gives new meaning to kids' meals. It describes many species that eat their babies and offers a different reason for each behavior presented. Some animal adaptations surprise scholars with their commonness.

Ants head out in the morning to collect food and all return at the end of the day, yet they don't have traffic jams. An intriguing resource compares ant travel patterns to human travel patterns as part of a biology playlist. It discusses...

It appears everyone has a cell phone, but are they damaging our health? A thought-provoking video addresses this question by pulling together multiple studies from around the world. It explains the methodology and conclusions of each.

Geckos are reptilian superheroes, defying gravity to climb walls and hang from ceilings, but where did they get these amazing superpowers? Watch this fun video as it examines the amazingly designed feet of these unique animals and how...

It seems like a simple process: we breathe in, our nose detects different scents, and our brain interprets the smell. But how does it actually work? How can something smell like vanilla to one person, but like urine to someone else? How...

Cell membranes contain many contradictions; for example, they are both oily and strong. The video explains the parts of a cell membrane, the function of each part, and discusses the contradictions. It highlights what happens when...