Use the Figure to the Right to Answer the Next

question 52

Multiple Choice

Use the figure to the right to answer the next problem. A beaker is filled with water.A small plastic container contains a solid bar of aluminum,which has a mass of 40 g,and is placed on the water so that it floats.The water level reads 60 ml.Next,the bar of aluminum is taken out of the container and placed in the water so that it sinks to the bottom.
-The water level in the beaker _____

• A)drops.
• B)stays unchanged.
• C)rises.
• D)depends on the type of container
• E)unable to tell

---

Definitions:

Hippocampus

A region of the brain that is associated with memory formation, spatial navigation, and emotional regulation.

Thalamus

The brain's main relay station for sensory signals, excluding smell, filtering information to the cerebral cortex for further processing and interpretation.

Medulla

The innermost part of an organ or structure, especially the medulla oblongata in the brain, involved in regulating vital body functions.

Hypothalamus

A small, crucial part of the brain located below the thalamus, responsible for hormonal control and regulation of essential bodily functions like temperature, hunger, and thirst.