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Transcript
Name: ___________________________________ 2nd Marking Period CEMPA Study Guide 7th Grade Science – Miss Maxwell and Mr. Burgmeyer Exam Dates: 1/25 & 1/26 Period: _________ Due Date: 1/20 (#1-19) 1. What is matter? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 2. What happens when thermal energy is added to a substance? Taken away? (in terms of particles) ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 3. What is a physical property? Give 2 examples. ________________________________________________________________________ ________________________________________________________________________ 4. What is a physical change? Give 2 examples. ________________________________________________________________________ ________________________________________________________________________ 5. What physical property of matter can be used to identify unknown substances? ____________________________________ 6. What is a chemical property? Give 2 examples. ________________________________________________________________________ ________________________________________________________________________ 7. What is a chemical change? Give 2 examples. ________________________________________________________________________ ________________________________________________________________________ 8. What is the formula for density? ________________________________________________________________________ ________________________________________________________________________ 9. How do you find the volume of an irregular solid? Explain the process ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 10. What is potential energy? Give 2 examples. ________________________________________________________________________ ________________________________________________________________________ 11. What is kinetic energy? Give 2 examples. ________________________________________________________________________ ________________________________________________________________________ 12. Type of Energy chemical nuclear electrical sound radiant Definition Example thermal mechanical 13. What is energy? ________________________________________________________________________ ________________________________________________________________________ 14. What is an energy transfer? Give an example. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 15. What is an energy transformation? Give an example. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 16. In every energy transformation, some energy is always transformed into _______________ energy. 17. Definition Renewable Energy Resource Nonrenewable Energy Resource Examples 18. Definition Examples Contact Force Non-Contact Force 19. What are the units for force? ______________________________ 20. What is friction? ________________________________________________________________________ ________________________________________________________________________ 21. Acceleration is a change in _____________________________. Due Date: 1/21 (#20-27) 22. How do you determine net force if forces act in the same direction? Opposite directions? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 23. What is the different between distance and displacement? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 24. Type of asexual reproduction Definition Fission Budding Regeneration Vegetative Reproduction Cloning 25. Type of symbiotic relationship Mutualism Parasitism Commensalism Definition Example 26. List and describe the levels of organization in a multicellular organism beginning with a single cell. ________________________________________________________________________ ________________________________________________________________________ 27. Complete the chart below, using the letter b, complete the chart. Genetics Vocabulary Allele Homozygous recessive Homozygous dominant Heterozygous 28. A child has blue eyes, but both of the child’s parents have brown eyes. Create a Punnett Square below that explains how this is possible. (B represents brown eye allele, b represents blue eye allele) Write a sentence to explain the Punnett Square you created. ________________________________________________________________________ ________________________________________________________________________ 29. Where does the energy in an ecosystem initially come from? ________________________________________________________________________ Due Date: 1/21 ECR practice: Answer all three questions 1. All matter has both physical and chemical properties, when matter undergoes a change it can be either physical or chemical. Define physical property and chemical property and give an example for each Define physical change and chemical change and give an example for each What makes the difference between a property of matter and a change in matter? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 2. Sunlight is absorbed by a solar panel on a house. The energy collected by the solar panel is used to run a blender that chops apples. The apples are part of a recipe that is cooked in the oven. What is an energy transfer? What is an energy transformation? Explain the scenario above in terms of the types of energy involved and the energy transfers and transformations involved. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Don’t squeeze your answer here, there is more room on the back!!! ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 3. A heterozygous orange-flowered plant is crossed with a homozygous purple-flowered plant. Create a Punnett Square that shows the possible offspring If orange is a dominant allele and purple is recessive, what color ratio will the flowers of the offspring plants have? Explain. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________
