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Transcript
A Question 1. What is one difference between plant and animal cells? 2. List one thing that ALL living things have in common. 3. Which layer of the Earth is the thinnest? (Inner Core, Outer Core, Mantle Crust) 4. When lava cools or hardens, it forms which type of rock: Igneous, Sedimentary, Metamorphic? 5. Name the human body system that includes the heart, veins and arteries. 6. Which organisms are always at the bottom of a food web? 7. What structure in the nucleus contains the genetic information? 8. How is information passed from one generation to the next? 9. Given the genotypes of the parents (Ee x Ee), what is the probability that the offspring will show the recessive trait (ee)? 10. When the environment changes, which organisms will survive? 11. Calculate the average speed of a toy car that travels 20 meters in 5 seconds. (Speed = Distance/Time) 12. How would the amount of water in a pan affect the temperature at which the water boils? 13. What scientific “law” requires us to balance chemical equations so that the number of atoms is the same before and after the reaction? 14. Give an example of energy being transferred from one object to another. 15. Explain why your eyes would never “adjust” to see in a completely dark room. 16. Why does ‘Cup o’ Noodles’ come in a Styrofoam cup? 17. Light energy from the sun is converted to what kind of energy through photosynthesis? Answer 1. Plant cells have cell walls 2. Reproduction, Respiration (Gas Exchange), Growth & Development, Waste Production, Energy Use 3. Crust 4. Igneous 5. Circulatory 6. Producers 7. Chromosome 8. Genetics/DNA 9. 25% 10. The ones organisms that are better adapted 11. 4 m/s 12. No effect. It would boil at 100°C 13. Law of Conservation of Mass 14. Answers will vary (Check with teacher if you are unsure) 15. You see by light being reflected into your eye. No light means no reflection 16. Styrofoam is an insulator/poor conductor of heat 17. Chemical B Question 1. What structure are all organisms composed of? 2. What do you call a group of cells that work together to perform specialized functions? 3. The tectonic plates are floating on which semisolid layer of Earth? 4. At which kind of boundary (convergent, divergent, transform) do earthquakes usually occur? 5. Explain the function of the respiratory system. 6. How does the Sun’s energy enter a food web? 7. Why does the arrow in a food web point from the food to the consumer? 8. Why do organisms that undergo sexual reproduction have more variation than those that reproduce asexually? 9. What is the benefit of genetic variation in a population? 10. How many atoms are in a molecule of CO2? 11. When you add Alka Seltzer to water, carbon dioxide gas is given off. If you do not capture that gas (in a balloon) what will happen to the mass of the system? 12. What happens to the motion of molecules in an object that is being heated? 13. Give an example of one type of energy changing into another type. 14. What happens to green light when it hits a red apple? 15. How does water from the ocean get into the atmosphere? 16. Which variable must be kept the same in an investigation? Answer 1. Cells 2. Tissues 3. The Mantle 4. Convergent 5. Exchange gases with the environment (O2, CO2) 6. Producers/Photosynthesis 7. To show the flow of energy 8. Offspring receive genetic information from both parents 9. The population can adapt to changes in the environment 10. Three 11. It will go down because the mass of the gas is lost to the air. 12. They move faster 13. Answers will vary (Check with teacher if you are unsure) 14. It will be absorbed 15. Evaporation 16. Controlled C 1. 2. 3. 4. 5. Question That cell structure is necessary for photosynthesis to occur? What landforms are always found near subduction zones? What kind of boundary occurs when two tectonic plates collide? (Convergent, Divergent, Transform) Name one type of evidence that the continents were once joined together Name one function of the digestive system 6. What do you call a group of organisms of the same species living in the same area. 7. What would happen to the population of a prey species if their predator’s population increased dramatically? 8. What evidence do we have that life has changed over time? (The organisms that are alive today are not the same as those that lived in the past.) 9. Why does a ball rolling across carpet eventually stop? 10. Is salt water a mixture or a compound? 11. In which state of matter do the molecules spread in the direction of gravity? 12. Where is the moon, in relation to the Earth and Sun, during a full moon? 13. Why is a year 365 ¼ days? 14. When air heats up, it rises, creating an area of low pressure. If there is a nearby area of higher pressure, what will happen? 15. Give an example of one type of energy changing into another type. 16. What happens to red light when it hits a red apple? 17. What do all of the inner planets have in common? Answer 1. Chloroplast 2. Volcanoes or trenches 3. Convergent 4. Fossils, shape, glaciers, Landforms 5. Digest food, absorb nutrients, excrete waste, Ingest food 6. Population 7. Their population would decrease 8. Fossils 9. Friction 10. Mixture (not chemically bonded) 11. Liquid 12. The moon is behind the Earth 13. It takes that long for the Earth to revolve/orbit around the Sun 14. Air will move (wind) to the area of low pressure 15. Answers will vary (Check with teacher if you are unsure) 16. It is reflected 17. They all have rocky surfaces or they are relatively close together/close to the sun D 1. 2. 3. 4. Question Name one thing (structure or substance) that is required for photosynthesis to occur. The molten rock of the mantle is in constant motion as the warm rock rises and the cool/dense rock sinks. What is the name of this heat transfer? Explain how an igneous rock becomes a metamorphic rock. If an igneous rock has large crystals, did it form above ground or underground? Answer 1. Water, CO2, Sunlight, Chorophyll 2. Convection 3. Under heat and pressure 4. Underground with time to cool 5. Give an example of a negative impact of smoking on the body. 5. Emphysema, Cancer, Bad breath, Yellow teeth, Wrinkles 6. Name one important abiotic (non-living) factor in an ecosystem. 7. What kind of organism feeds on waste and dead organisms? 6. Sun, Water, Soil, Temperature, Air 8. In which direction will this object move: 8. To the left 10 N X 7. Decomposers 20 N 9. A book is sitting on a table. Are the forces acting on the book balanced or unbalanced? 10. If an object is less dense than water, will it float or sink? 11. Name the elements in a molecule of water. 12. Are the molecules in a solid in motion? 13. List three different forms of energy. 14. Explain why light can travel through space, but sound cannot. 15. Why are solar eclipses less common than lunar eclipse? 16. Explain why a day is 24 hours. 17. What is the most common gas in the lower atmosphere? 9. Balanced 10. Float 11. Hydrogen, Oxygen 12. In motion (but slowly) 13. Thermal, electromagnetic (light), gravitational, kinetic, chemical, sound, electrical 14. Light is an electromagnetic wave and does not need a medium. Sound is a mechanical wave that requires the vibration of molecules. 15. The moon’s shadow is very small. The Earth’s shadow is bigger than the moon. 16. The Earth takes 24 hours to rotate on its axis. 17. Nitrogen