Question: Choose your answer.

One similarity between a small, solid sample of aluminum and a large, liquid sample of aluminum is that both samples have

OPTIONS:
- a definite shape.
- a definite volume.
- the same number of atoms.
- the same amount of energy.
My Answer: a definite volume.

Question: Choose your answer.

Which type of energy is found in fossil fuels?

OPTIONS:
- chemical
- mechanical
- nuclear
- radiant
My Answer: chemical

Question: Choose your answer.

The pull of gravity on Earth is a direct result of the

OPTIONS:
- mass of Earth.
- magnetic field of Earth.
- rotation of Earth on its axis.
- weight of Earth's atmosphere.
My Answer: mass of Earth.

Question: Choose your answer.

A student used the dimmest setting on a light microscope to observe a euglena and an amoeba. The student shined a narrow beam of light at the top of the cover slip. She observed that the euglena swam up toward the light but the amoeba did not. She knew the amoeba was alive because it slowly changed shape while she watched. What inference should the student draw from her observation?

OPTIONS:
- An amoeba can only move side to side.
- An amoeba is unable to respond to light.
- An amoeba moves too slowly to observe.
- An amoeba only moves when it is hungry.
My Answer:
An amoeba is unable to respond to light.