Science 8 SOL Review Pt Released Test
1. Venus, the moon, Mars, and the sun are all visible in our sky. All but one of these reflect light from another source. Which of the following produces its own light? A. A. Venus B. B. The moon C. C. The sun D. D. Mars
Click to try again! INCORRECT
Click to go to next question! CORRECT
2. According to the graph, which air pollutant decreased the most from 1970 to 1991? A. A. Carbon monoxide B. B. Sulfur oxides C. C. Particulates D. D. Lead
Click to try again! INCORRECT
Click to go to next question! CORRECT
3. Which of the following could best be used to demonstrate energy being transformed from electricity to heat? A. A. A magnifying glass B. B. A triple beam balance C. C. A toaster D. D. A gas oven
Click to try again! INCORRECT
Click to go to next question! CORRECT
4. Which of these best describes a relationship shown by this African energy pyramid? A. A. The lion is a predator of the giraffes. B. B. The lion is the prey of the giraffes. C. C. Giraffes are the prey of the trees. D. D. Giraffes are predators of the lion.
Click to try again! INCORRECT
Click to go to next question! CORRECT
5. Insulation materials reduce heat loss because they A. A. are poor conductors B. B. block out the sun C. C. reduce evaporation D. D. promote convection
Click to try again! INCORRECT
Click to go to next question! CORRECT
6. Which of the following classification groups contains organisms that have the most characteristics in common? A. A. Kingdom B. B. Phylum C. C. Class D. D. Species
Click to try again! INCORRECT
Click to go to next question! CORRECT
7. In this diagram of a single-celled organism, which organelle functions as a place to store extra water? A. A. Nucleus B. B. Cytoplasm C. C. Cell membrane D. D. Vacuole
Click to try again! INCORRECT
Click to go to next question! CORRECT
8. Which process is a physical change? A. A. Rusting iron B. B. Burning coal C. C. Melting ice D. D. Tarnishing silver
Click to try again! INCORRECT
Click to go to next question! CORRECT
9.Which concept is best illustrated by this diagram? A. A. Cycling of nutrients in a community B. B. Environmental pressures on a population C. C. The effect of limiting factors in a biome D. D. The exchange of CO2 & O2 in an ecosystem
Click to try again! INCORRECT
Click to go to next question! CORRECT
10. Water stored behind a dam is an example of what type of energy? A. A. Chemical B. B. Solar C. C. Potential D. D. Kinetic
Click to try again! INCORRECT
Click to go to next question! CORRECT
11. What process makes food for plants? A. A. Condensation B. B. Respiration C. C. Reproduction D. D. Photosynthesis
Click to try again! INCORRECT
Click to go to next question! CORRECT
12. In the diagram, what essential part of an electric circuit is missing at position X? A. A. Source of electric current B. B. Wires C. C. On/off switch D. D. Load
Click to try again! INCORRECT
Click to go to next question! CORRECT
13. Which of the following has the least effect on lake water temperature? A. A. The depth of the water B. B. The number of fish in the lake C. C. The angle of incoming sun rays D. D. The lakes surface area
Click to try again! INCORRECT
Click to go to next question! CORRECT
14. Which of these experimental designs would best test this hypothesis? A. B. C. D.
Click to try again! INCORRECT
Click to go to next question! CORRECT
15. Which animal has a life span closest to that of sheep? A. A. Cow B. B. Horse C. C. Dog D. D. Cat
Click to try again! INCORRECT
Click to go to next question! CORRECT
16. When a base is mixed with an acidic solution, neutralization occurs because the A. A. base reaches absolute zero B. B. acid evaporates C. C. base chemically reacts with the acid D. D. mass of the solution increases
Click to try again! INCORRECT
Click to go to next question! CORRECT
17. Fossil fuels such as gas, oil, and coal have what kind of energy? A. A. Chemical energy B. B. Mechanical energy C. C. Electrical energy D. D. Nuclear energy
Click to try again! INCORRECT
Click to go to next question! CORRECT
18. From the data given in this table, which characteristics help classify the seashells as belonging to the Tellin family? A. A. Size, hinge type, and location B. B. Color, size, and water temperature C. C. Hinge type, location, and water temperature D. D. Color, size, and hinge type
Click to try again! INCORRECT
Click to go to next question! CORRECT
19. DNA is essential to living organisms because it A. A. is a spiral helix B. B. carries the genetic code C. C. can prevent diseases D. D. can break apart
Click to try again! INCORRECT
Click to go to next question! CORRECT
20. After fishing in the ocean, a student left his fishing gear in the sun to dry. Later, he noticed that small white crystals had formed on the rod, reel, and fishing line. Which of these is the best explanation of what occurred? A. A. The water evaporated from the fishing gear, and salt from the ocean was left behind. B. B. The salt in the ocean water reacted with the fishing gear and caused it to rust. C. C. The fish that were caught left scales on the fishing gear. D. D. The water evaporated from the fishing gear, and sand was attracted to it.
Click to try again! INCORRECT
Click to go to next question! CORRECT
21. Which of these shows the correct sequence of development? A. A. Tissues cells systems organs B. B. Systems tissues cells organs C. C. Organs cells tissues systems D. D. Cells tissues organs systems
Click to try again! INCORRECT
Click to go to next question! CORRECT
22. What type of energy does the windmill use to do work? A. A. Mechanical B. B. Nuclear C. C. Chemical D. D. Electrical
Click to try again! INCORRECT
Click to go to next question! CORRECT
23. Which of these would be the best way to prove that a pine stick is more flexible than an oak stick? A. B. C. D.
Click to try again! INCORRECT
Click to go to next question! CORRECT
24. Because zinc can combine with other substances but cannot be changed into a simpler substance by an ordinary chemical process, zinc is classified as A. A. a compound B. B. a mixture C. C. an element D. D. an acid
Click to try again! INCORRECT
Click to go to next question! CORRECT
25. Astronomers view objects in space through scientific instruments known as A. A. barometers B. B. telescopes C. C. hygrometers D. D. microscopes
Click to try again! INCORRECT
Click to go to next question! CORRECT
Thats All Folks!