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 / Definition / Example
chemical
nuclear
electrical
sound
radiant
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 / Examples
Renewable Energy Resource
Nonrenewable Energy Resource

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 / Definition / Example
Mutualism
Parasitism
Commensalism

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.

______