These science questions have been taken from the following state and regional science exams in the United States: AIMS-Arizona's Instrument to Measure Standards, Alaska Department of Education & Early Development, California Standards Test, MCAS-Massachusetts Comprehensive Assessment System, Maryland School Assessment, MEA-Maine Educational Assessment, MEAP-Michigan Educational Assessment Program, NAEP-National Assessment of Educational Progress, North Carolina End-of-Grade Assessment, New York State Educational Department Regents exams, Ohio Achievement Tests, TAKS-Texas Assessment of... Show more

These science questions have been taken from the following state and regional science exams in the United States:
AIMS-Arizona's Instrument to Measure Standards, Alaska Department of Education & Early Development, California Standards Test, MCAS-Massachusetts Comprehensive Assessment System, Maryland School Assessment, MEA-Maine Educational Assessment, MEAP-Michigan Educational Assessment Program, NAEP-National Assessment of Educational Progress, North Carolina End-of-Grade Assessment, New York State Educational Department Regents exams, Ohio Achievement Tests, TAKS-Texas Assessment of Knowledge and Skills, Virginia Standards of Learning, & Washington MSP.

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Middle School Science Review 3 (8th Grade, With Diagrams)

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25 Questions

1. Anya is observing an organism in the laboratory. The table below shows her observations.

The organism Anya is observing most likely belongs to which kingdom?

AnimaliaEubacteriaPlantaeFungi

2. The diagram below shows water being heated in a flask. The flask has a rubber stopper with a glass tube extending through it. The current level of the water in the glass tube is indicated. The temperature of the water is 25°C.

If heating continues, the water in the glass tube will most likely

rise higher in the tubemove into the flaskturn into a solidbecome more dense

3. Base your answers on the diagram and table below and on your knowledge of science. The diagram shows a lab dish containing organisms collected at the edge of a forest.

The table identifies several organisms based on their characteristics.

How many of the organisms in the lab dish are insects?

3421

4. Which diagram best represents light being reflected after striking the flat surface of a mirror?

5. The label below shows the nutrition facts for a snack food.

How many grams of fat would be consumed if a person ate the entire box of snack food?

30 g27 g65 g3 g

6. The graph below shows the motion of four different bicyclists during a one-hour bicycle ride.

Based on the graph, which bicyclist traveled at a constant speed during the entire ride?

bicyclist Tbicyclist Rbicyclist Sbicyclist U

7. The data table below shows apparent air temperature in degrees Fahrenheit (°F). Apparent air temperature is how hot the air feels at different air temperatures and different relative humidities.

If the air temperature is 90°F and the relative humidity is 70%, the apparent air temperature is

20°F71°F113°F106°F

8. Base your answers on the weather map below and on your knowledge of science. The center of a storm system (Low) over part of the United States and the frontal boundaries associated with this system are shown. Point A represents a location on the map.

Precipitation is most likely occurring at A because it is located

near the warm fronton a warm land surfacenear the cold fronton a cold ocean surface

9. The diagram below shows a rock suspended above an overflow container filled with water up to the overflow spout. A graduated cylinder is positioned next to the container to collect water that comes out of the overflow spout.

Which property of the rock can be directly determined when the rock is placed in the overflow container?

hardnessmassdensityvolume

10. Given this picture:

A student studying spiders creates the table shown above. What is the best conclusion the student can make based on this information?

Wolf spiders are the largest of these spiders.Hunting spiders usually have warning color patterns.Web spiders are larger than hunting spiders.Jumping spiders are faster than yellow garden spiders.

11. The diagram below shows a cross section of a portion of Earth’s crust that has not been overturned. Letters A B C and D represent sedimentary rock layers that contain fossils.

Which rock layer contains the oldest fossils?

ABCD

12. The diagram below shows several different organisms found in an area.

The worms in the diagram represent

a habitata communitya populationan ecosystem

13. The diagram below shows the relative positions of Earth and the Moon and rays of sunlight.

Based on the diagram, which of the following best represents how the Moon would appear as seen from Earth?

14. Study the topographical maps below.

Which features are most likely shown in both topographical maps?

islandslakesstreamsvalleys

15. The diagram below shows the relative positions of Earth and the Sun at a certain time of year.

Based on the diagram, which season is occurring in the Southern Hemisphere of Earth?

springwintersummerfall

16. Given this picture:

A gasoline-powered vehicle goes up a hill from point X to point Y. What energy transformation must occur in the car’s engine?

Heat energy into chemical energyElectrical energy into chemical energyChemical energy into mechanical energyMech

17. The diagram below shows the orbit of a comet around the Sun. The comet travels more quickly in its orbit when it is closer to the Sun.

Which of the following statements best explains why the comet travels more quickly when it is closer to the Sun?

The temperature of the comet increases.The mass of the comet increases.The frictional force on the comet increases.The gravitational pull on the comet increases.

18. The diagram below shows what occurs when a ray of light strikes and enters a pond.

Which property of light is illustrated when the ray enters the pond?

absorptionrefractionreflectionemission

19. Given this picture:

Planting additional legumes in the area shown above would most likely lead to which of the following?

An increase in the number of species that can fix nitrogenA decrease in the activity of bacteriaAn increase in the activity of nitrogen-fixing bacteriaA decrease in the number of animals in the area

20. The diagram below shows a food chain.

Which organisms in this food chain are herbivores?

green plantssnakescaterpillarsbirds

21. Given this picture:

Some students hypothesize that heating a mixture of any substance and water will always increase the amount of the substance that will dissolve in the water. The table shows results of an investigation testing this hypothesis. The results for which of the substances tested weaken this hypothesis?

Substance ZSubstance WSubstance XSubstance Y

22. Insulin and glucagon are hormones that affect blood sugar levels. The diagram below shows the feedback system used by the human body to increase and decrease blood sugar levels.

This feedback system is one way that the human body

circulates gasesmaintains equilibriumdestroys virusestransports nutrients

23. Consider this food web:

Where is the largest amount of energy found in this food web?

hawkgrassgrasshoppermouse

24. Which life process is shown by the equation below?

circulationrespirationreproductionlocomotion

25. The chart below shows the inferred evolution of some dinosaurs during three time periods in Earth's history.

Which dinosaur most likely evolved from Coelophysis?

TriceratopsTyrannosaurusCamptosaurusTheodont