Science EOG Practice

Why is water classified as a compound?

• Because it is an element, which consists of only one type of atom.

• Because it is a substance, which can easily be separated.

• Because it is a substance composed of two or more kinds of atoms bonded together.

• Because it is an unevenly mixed solution, or a heterogeneous mixture.

Tags

NGSS.MS-PS1-1

A student is designing an experiment for the science fair.  She needs to find a material that conducts an electric current, and her teacher has provided her with samples of the following elements.  Which of them should she choose?

• argon

• fluorine

• copper

• phosphorous

Tags

NGSS.MS-PS1-1

A scientist has a hypothesis that a large volcanic eruption caused a change in global temperature. Which information gained from ice cores is MOST useful in supporting the scientist's hypothesis?

• levels of dissolved oxygen

• identities of trace metals

• estimates of natural radioactivity

• amounts of atmospheric dust

Tags

NGSS.MS-ESS3-5

Which BEST explains the importance of dissolved gases in the ocean?

• They help control pollution.

• They help provide oxygen for aquatic animals.

• They help maintain a constant water temperature.

• They help maintain constant levels of salinity.

Which of the following is NOT a renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydroelectric power

What is the term for the amount of matter in an object?

• Weight

• Density

• Mass

• Volume

What is the term for the movement of particles from an area of higher concentration to an area of lower concentration?

• Osmosis

• Diffusion

• Active transport

• Endocytosis

What is the primary function of the chloroplasts in plant cells?

• To break down sugar molecules to release energy

• To store water and nutrients

• To capture light energy and convert it into chemical energy

• To control the entry and exit of substances in and out of the cell

Tags

NGSS.MS-LS1-6

What is the process by which plants release water vapor into the air through their leaves?

• Condensation

• Transpiration

• Evaporation

• Precipitation

Which of the following is a chemical change?

• Dissolving salt in water

• Boiling water

• Burning wood

• Melting ice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5