Poor Sam! His graham crackers have undergone a physical change, so he can't make his s'mores! Mia explains that their molecules haven't changed, therefore they are still graham crackers. The two teens then discuss clues that would...

RJ argues that playing the video game, Super Duo Breaker and Whoosh, is a good way to study for a quiz on weathering and erosion. The game character Mr. Breaker breaks things down and the character Mr. Whoosh carries them away in the...

For this petroleum products worksheet, students are given the components of crude oil and they graph the various products found in a 50 gallon barrel. Students complete an activity to determine if they have collected cards that represent...

Quia Corporation provides a hangman game about physical and chemical changes.

Can you distinguish physical changes from chemical changes? After reading a brief summary of both types of changes, you'll be presented with some examples and asked to identify them.

Help solve the mystery and find the missing crystal. Following the activity, read more about chemical and physical changes, and then take a quick quiz to check for understanding.

[Free Registration/Login Required] Explore how heat and temperature relate to phase changes.

Observe chemical and physical changes with this lab using everyday household items. Lab includes procedure and online data collection tool where answers can be saved and graded by teacher.