1st 9 Weeks Test Review Sheet

Transcription

1 1st 9 Weeks Test Review Sheet 1. Which two are reactants of photosynthesis? a. glucose and water b. carbon dioxide and water c. glucose and oxygen d. sunlight and ATP energy 2. Photosynthesis makes which two products a. glucose and water b. carbon dioxide and water c. glucose and oxygen d. sunlight and ATP energy 3. Which is an organic compound? a. H 2 O b. HCl c. CH 4 d. C 4 4. In the image to the right a goldfish is dropped in a graduated cylinder and the water level increased by ml. a. 6 b. 32 c. 38 d A bacteriologist studies bacteria in a. a. graduated cylinder b. triple beam balance c. petri dish d. test tube 6. Energy flows and matter. a. comes from photosynthesis b. is made by the sun c. will someday run out d. cycles

2 7. A rubber ball was dropped from the same height onto five different surfaces. The height of the first bounce was measured and recorded. The graph above shows this data. What inference can be made using this graph? a. Rubber balls bounce higher on harder surfaces. b. All balls bounce higher indoors than they do outdoors. c. Tennis balls bounce higher than basketballs. d. Large balls don t bounce as high as small balls. 8. A compost bin demonstrates how decomposers break down plant and animal material and return them back to the soil. This is called. a. cycling of matter b. cycling of energy c. cycling of biological molecules d. cycling of proteins 9. Which is not part of photosynthesis process? a. light energy b. ATP energy c. glucose d. oxygen 10. Which of the following shows the path of energy in the correct order? a. Radiant, chemical, mechanical b. Mechanical, chemical, radiant c. Chemical, radiant, mechanical d. Radiant, mechanical, chemical

3 11. Which of the following is true statement about the food chain above? a. If the frog population decreased, the snake population would increase. b. If the grass population increased, the grasshoppers would increase. c. If the grasshopper population decreased, the frog and snakes would increase. d. If the grass population decreased, there would be no change in the other organisms. 12. In a food chain, where is light energy converted into chemical energy? a. sun b. predator c. prey d. producer 13. What is the number one safety procedure in a school laboratory environment? a. Wash your hands before and after all labs. b. Listen to and follow all teachers instructions. c. Only wear goggles when you and your partner feel like it. d. Explore the chemical properties of all liquids on your own. 14. The following elements make up almost all organic compounds: a. Carbon, Oxygen, Hydrogen b. Carbon, Helium, Iron c. Oxygen, Sodium, Nitrogen d. Iron, Sulfur, Radon 15. In order to keep organized during an investigation, you should; a. Keep all data in a log book. b. Only keep the important data. c. Don t worry about on going data, you can always just make it up. d. Estimate all data. 16. Which element bonds with hydrogen to make hydrocarbons, and bonds with itself to make chains? a. Chlorine b. Carbon c. Nitrogen

4 d. Calcium 17. What happens to carbohydrates in the body? a. The are not digested. b. They turn into proteins. c. They must be broken down into smaller pieces. d. They are used to create nucleic acids. 18. Which element is represented with a C on the periodic table? a. Calcium b. Carbon c. Copper d. Chlorine 19. Which organelle is where respiration takes place? (HINT: needs oxygen and glucose) a. Nucleus b. Vacuole c. Mitochondria d. Ribosomes 20. How does energy travel through the ecosystem? a. Cycles b. Flows c. Runs d. Disappears 21. is the structure that captures energy from the sun and is only found in plant cells. a. Vacuole b. Nucleus c. Mitochondria d. Chloroplast 22. Scientist would use what unit of measurement to measure height? a. Grams b. Meters c. Joules d. Liters

5 23. What is the mass of the rock in the image above? a g b. 50 g c. 300 g d g 24. Which of the following is a decomposer? a. Bacteria b. Grass c. Deer d. Fox 25. In the food web below, which organisms have a predator-prey relationship? a. Grass and mice b. Sparrows and hawks c. Frogs and snake d. Foxes and rabbits

6 26. Circle the TRUE statements below about energy pyramids (there is more than one correct answer): a. As trophic levels increase, the amount of energy passed along decreases. b. About 10% of the energy available passes along to the next trophic level. c. Producers have the greatest amount of energy in an energy pyramid. d. There should be more top-level consumers than producers. 27. Look at the energy pyramid below. What is the major difference between what food chains and webs show vs. an energy pyramid? a. Levels of consumers. b. Levels of producers. c. Predator and prey relationships. d. The amount of energy available at each level. 28. What organisms are responsible for breaking down dead plants in an ecosystem? a. Producers b. Carnivores c. Decomposers d. Omnivores 29. Rainforest and houseplants have a lot in common. What might be one characteristic these plants share? a. The plants can grow with little to no sunlight. b. The plants do not need water. c. The plants thrive in low temperatures. d. The plants do not need nutrients from soil.

7 Use the table to answer questions Compound Number of Atoms per Molecule Hydrogen Oxygen Water 2 1 Hydrogen peroxide Which of the following is DIFFERENT for both compounds? a. The types of elements in each molecule. b. The number of hydrogen atoms in each molecule. c. The number of oxygen atoms in each molecule. 31. Which of the following is the SAME for both compounds? a. The types of elements in each compound. b. The number of hydrogen atoms in each molecule. c. The number of oxygen atoms in each molecule. 32. Look at the energy pyramid above. The producers receive 1,000 kg of energy from the sun. What does the top carnivore, or tertiary consumer, receive? a. 10 kg b. 50 kg c. 5 kg d. 1 kg

8 33. Look at the above forest food web. If the grass died out, what would happen to the rest of the food web? a. The ecosystem would die out. b. The ecosystem would survive, because there are other producers/food sources. c. The herbivores would move to find other food sources. d. The top predators would suddenly go hungry.

9 KEY 1. B 2. C 3. C 4. A 5. C 6. D 7. A 8. A 9. B 10. A 11. B 12. D 13. B 14. A 15. A 16. B 17. C 18. B 19. C 20. B 21. D 22. B 23. D 24. A 25. D 26. A,B,C 27. D 28. C 29. A 30. C 31. A,B 32. D 33. B