Which piece of lab equipment would you need to measure the volume of an irregularly shaped object, like a rock?

Responses

Meter stick
Meter stick

Triple beam balance
Triple beam balance

Graduated cylinder
Graduated cylinder

Thermometer

5 answers

Incorrect Answer: Thermometer

Correct Answer: Graduated cylinder
What is the dependent variable in this experiment?

Responses

type of soil used

type of soil used

amount of water used

amount of water used

length of sunlight exposure

length of sunlight exposure

growth of the bean plants
Correct Answer: growth of the bean plants
Which is the best conclusion from the data shown in the graph?

Responses

The damming of the river caused a decline in the population of hybrid sticklebacks.

The damming of the river caused a decline in the population of hybrid sticklebacks.

The decline in open-water sticklebacks caused an increase in bottom-dwelling sticklebacks.

The decline in open-water sticklebacks caused an increase in bottom-dwelling sticklebacks.

The number of hybrid sticklebacks has increased since the dam was built.

The number of hybrid sticklebacks has increased since the dam was built.

The populations of both open-water and bottom-dwelling sticklebacks rose after the dam was built.

The populations of both open-water and bottom-dwelling sticklebacks rose after the dam was built.
Correct Answer: The damming of the river caused a decline in the population of hybrid sticklebacks.