EOG Science Review

Which examples represent parasitic relationships?

• 1 and 3

• 1 and 4

• 2 and 3

• 2 and 4

Tags

NGSS.MS-LS2-2

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-LS2-4

The graph shows the percentage of crops pollinated by honey bees in the United States. It has been estimated that more than 10 million beehives were lost in 2013 in the United States due to colony collapse disorder caused by the widespread use of pesticides. How will the decrease in the honey bee population affect the ecosystem?

• It will increase the percentages of almond and apple crops because insects other than honey bees will help pollinate these crops.

• It will increase the percentages of cotton and orange crops because these are less dependent on honey bee pollination.

• It will decrease the percentages of almond and apple crops because lesser numbers of honey bees are available for pollination.

• It will decrease the percentages of cotton and orange crops because the populations of other insects will also decline along with honey bees.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Design an experiment to investigate the effect of sunlight on plant growth.

• Place plants in different amounts of sunlight and measure their growth over time

• Place plants in the same amount of sunlight and measure their growth over time

• Place plants in the dark and measure their growth over time

• Place plants in water and measure their growth over time

Tags

DOK Level 4: Extended Thinking

Analyze how human activities can impact natural resources.

• Human activities can only positively impact natural resources

• Human activities can deplete natural resources and cause pollution

• Human activities have no impact on natural resources

• Human activities can only negatively impact natural resources

Tags

DOK Level 3: Strategic Thinking

Evaluate the long-term effects of deforestation on weather patterns and ecosystems.

• Deforestation has no long-term effects on weather patterns and ecosystems

• Deforestation can lead to changes in weather patterns and loss of biodiversity

• Deforestation only affects the local area and not the global environment

• Deforestation improves weather patterns and ecosystems

Tags

DOK Level 4: Extended Thinking

Predict how a change in one part of an ecosystem can affect the entire system.

• A change in one part of an ecosystem will have no effect on the rest

• A change in one part can lead to a chain reaction affecting the whole system

• A change in one part will only affect that specific part

• A change in one part will improve the entire ecosystem

Tags

DOK Level 3: Strategic Thinking

How do weather patterns affect ecosystems?

• They determine the types of plants and animals that can live there

• They have no effect on ecosystems

• They only affect human activities

• They only affect the water cycle

Tags

DOK Level 2: Skill/Concept

A student places a piece of magnesium metal in a test tube containing acid. The student records four observations during the experiment.

Which observation describes a chemical change?

• A. #1

• B. #2

• C. #3

• D. #4

Tags

NGSS.MS-PS1-2