Scientific Method
Elias investigates whether soaking beans in water before planting affects how the beans grow. Which beans would most likely be the control group?
A. the beans that were soaked the least amount of time
B. the beans that were not soaked in water
C. the beans that had the greatest mas
D. the bens that grew the tallest
B the beans that were not soaked in water
An insect called thee hemlock woolly adelgid was introduced to a Virginia forest ecosystem. This pest feeds on the nutrients stored inside a hemlock tree, resulting in the death of the tree. Which kind of data would help a student evaluate the effects of this insect?
A. A comparison of the adelgid with native pest species
B. An account of how the adelgid was introduced into Virginia ecosystems
C. A list of the foreign ecosystems infiltrated by the hemlock woolly adelgid
D. Information about the ecosystem's characteristics before the adelgid infestation
D. Information about the ecosystem's characteristics before the adelgid infestation
Name 3 good safety procedures for a science lab?
A. Listen to directions before beginning an experiment.
B. Eat a snack while working in the science lab.
C. Wear goggles when working on an experiment.
D. Use matches to light items that will burn.
E. Wear gloves when using chemicals or solutions.
A, C, E