Running, walking, hopping a distance. Multiple trials with a stopwatch Once complete determine your accuracy and your precision of your timed trials .

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?