K5 Learning
Making Cookies
What kind of cookies is Greg making? Can class members identify the order in which each ingredient is added? After reading a brief passage, pupils respond to four short answer comprehension questions.
NASA
Lava Layering
Take the old baking soda and vinegar volcano to the next level by using it to study repeated lava flows over time, examine geologic features on Earth and Mars, and speculate about some of the formations on Mars.