Science EOG

Which examples represent parasitic relationships?

• 1 and 3

• 1 and 4

• 2 and 3

• 2 and 4

A teacher asks her students to classify the substances listed in the table shown as elements, compounds, or mixtures. A student claims that all of the substances are compounds. Which statement correctly describes the student’s claim?

• The student’s claim is correct because a substance that contains more than two of the same atom is a compound.

• The student’s claim is incorrect because a substance that contains more than one element is always a mixture.

• The student’s claim is incorrect because the atoms in the substances are physically combined to form a mixture.

• The student’s claim is correct because the atoms in the substances are chemically combined to form a compound.

Tags

NGSS.MS-PS1-1

Examine the information showing the aquatic fish and plant species found in a lake and their pH tolerances. A researcher measures the pH of the lake water as 5.3. Which conclusion correctly describes the effect on aquatic species if additional acidic water is released into the lake?

• The pH of the lake will increase, making the water less suitable for the survival of trout.

• The pH of the lake will increase, making the water more suitable for the survival of water lilies.

• The pH of the lake will decrease, making the water more suitable for the survival of salmon.

• The pH of the lake will decrease, making the water less suitable for the survival of plankton.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which step of water treatment requires an addition of chlorine?

• aeration of water

• disinfection of water

• filtration of impurities

• sedimentation of impurities

Which of the following is NOT a renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydroelectric power

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 term for the amount of matter in an object?

• Weight

• Density

• Mass

• Volume

Which layer of the Earth is composed mostly of solid rock and includes both the crust and the upper part of the mantle?

• Inner core

• Outer core

• Mantle

• Lithosphere

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

NGSS.MS-LS2-3

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

• Condensation

• Transpiration

• Evaporation

• Precipitation