Describe what each component of the Currents Tank Investigation represents. In the Currents Tank Investigation,
a. the water represents Response area.

b. the sides of the tank represent Response area.

c. blowing through the straw represents Response area.

d. the moving pepper helps illustrate the movement of

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.