SMS - 8 th Grade Science Week of 4/6 - 4/10/2020 Assignments included in this packet: 1. Unit 7 The Universe: Key Concepts and Vocabulary & Review Questions 2. 8 th Grade STAAR Chronicle Homework #3 3. 8 th Grade STAAR Chronicle Homework #4 Assignment Expectations: All assignments need to be returned by emailing pictures of completed pages to YOUR science teacher’s email. Please keep in contact with your science teacher by email, especially if you have questions about the assignments. Directions for each assignment: 1. Unit 7 The Universe: Key Concepts and Vocabulary & Review Questions – Use the Unit 7 Key Concepts & Unit 7 Vocabulary (included with your packet) to help you answer the questions of the review. You can also use other resources, such as research on the internet to help you as well. This IS an assignment on Google Classroom and CAN be submitted there. 2. 8 th Grade STAAR Chronicle Homework #3 - Use The Science STAAR Chronicle booklet (also included with your packet) to help you answer the questions on the STAAR Chronicle Homework #3. You can also use other resources, such as research on the internet to help you as well. This IS an assignment on Google Classroom and CAN be submitted there. 3. 8 th Grade STAAR Chronicle Homework #4 - Use The Science STAAR Chronicle booklet (also included with your packet) to help you answer the questions on the STAAR Chronicle Homework #4. You can also use other resources, such as research on the internet to help you as well. This IS an assignment on Google Classroom and CAN be submitted there. *All three assignments have a DUE DATE of Friday, 4/10/2020. Don’t wait until the last minute, be proactive and submit these assignments early. Science Teacher’s Email Addresses: Brittany Bollom [email protected]Camry Counts [email protected]Kevin Van Rite [email protected]
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SMS - 8th Grade Science - Springtown ISD€¦ · SMS - 8th Grade Science Week of 4/6 - 4/10/2020 Assignments included in this packet: 1. Unit 7 The Universe: Key Concepts and Vocabulary
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SMS - 8th Grade Science Week of 4/6 - 4/10/2020
Assignments included in this packet:
1. Unit 7 The Universe: Key Concepts and Vocabulary & Review Questions 2. 8th Grade STAAR Chronicle Homework #3 3. 8th Grade STAAR Chronicle Homework #4
Assignment Expectations: All assignments need to be returned by emailing pictures of completed pages to YOUR science teacher’s email. Please keep in contact with your science teacher by email, especially if you have questions about the assignments. Directions for each assignment:
1. Unit 7 The Universe: Key Concepts and Vocabulary & Review Questions – Use the Unit 7 Key Concepts & Unit 7 Vocabulary (included with your packet) to help you answer the questions of the review. You can also use other resources, such as research on the internet to help you as well. This IS an assignment on Google Classroom and CAN be submitted there.
2. 8th Grade STAAR Chronicle Homework #3 - Use The Science STAAR Chronicle booklet (also
included with your packet) to help you answer the questions on the STAAR Chronicle Homework #3. You can also use other resources, such as research on the internet to help you as well. This IS an assignment on Google Classroom and CAN be submitted there.
3. 8th Grade STAAR Chronicle Homework #4 - Use The Science STAAR Chronicle booklet (also included with your packet) to help you answer the questions on the STAAR Chronicle Homework #4. You can also use other resources, such as research on the internet to help you as well. This IS an assignment on Google Classroom and CAN be submitted there.
*All three assignments have a DUE DATE of Friday, 4/10/2020. Don’t wait until the last minute, be proactive and submit these assignments early.
Unit 7 The Universe: Key Concepts and Vocabulary Review Questions
Directions: Use the KEY CONCEPT & VOCABULARY pages above to help answer these questions The following diagram is called a HR Diagram. These diagrams show how various star types compare to one another in terms of brightness (luminosity) and temperature. Use it to answer questions 1 & 2.
1. Which type of star is the hottest?
A. Red Giants B. White Dwarfs C. Yellow Main Sequence D. Red Supergiants
2. Which type of star has a temperature of 10,000K and a luminosity of 1? A. Red Giants B. Blue Giants C. Yellow Main Sequence D. Red Supergiants
Use the picture of the Electromagnetic Spectrum below to answer questions 3 & 4.
3. What is the type of electromagnetic wave that has a frequency of 1018 ? A. radio B. microwave C. infrared D. visible light E. ultraviolet F. x-ray G. gamma ray 4. Wavelengths of 10-8 will have a frequency closest to: A. 104
B. 108
C. 1012
D. 1016
E. 1020
5. A large cloud of gas and dust in space would be called a: A. star B. nebula C. planet D. solar system
6. From left to right, name the type of galaxy shown in the picture above. A. spiral, elliptical, irregular B. irregular, spiral, elliptical C. elliptical, irregular, spiral D. spiral, elliptical, irregular 7. Our Sun is considered to be which type of star? A. supergiant B. main sequence C. giant D. white dwarf 8. A light year is a measure of: A. luminosity B. distance C. force D. time
9. Which of the following people stated the idea of the Earth as the center; and all things orbit the Earth? A. Ptolemy B. Copernicus C. Kepler D. Newton 10. Who came up with the "heliocentric" idea of the universe (the Sun is the center)?
A. Ptolemy B. Einstein C. Copernicus D. Kepler
11. What is a supernova? A. A large galaxy B. An exploding star C. Another name for the Big Bang theory D. A large object in space for which there is currently no explanation 12. Who said that every planet's orbit is an ellipse around the Sun; and gave three laws of planetary motion? A. Copernicus B. Ptolemy C. Einstein D. Kepler 13. The Milky Way is: A. a large solar system B. an elliptical galaxy C. a spiral galaxy D. a supernova
14. Some stars only appear brighter than others. Some stars actually are brighter than others. What term refers to the brightness of a star IF all stars were seen from a standard distance. A. apparent magnitude B. absolute magnitude C. light year D. redshift E. blueshift 15. Where is our solar system in space? A. Near the Gargantuan Black Hole B. On the outer edge of the Milky Way galaxy C. Near the center of a large galaxy D. Inside the Andromeda Galaxy 16. Which process causes stars to give off heat and light? A. redshift B. blueshift C. doppler effect D. nuclear fusion 17. For distant galaxies; the greater the redshift, the greater the... A. speed B. brightness C. size D. mass 18. Which of the following puts the objects in the correct relative size from largest to smallest? A. Galaxy, Universe, Star, Planet B. Star, Galaxy, Universe, Planet C. Galaxy, Star, Planet, Universe D. Universe, Galaxy, Star, Planet
19. Which of the following is a piece of scientific equipment used to determine the elements present in a distant object such as a nebula? A. microscope B. telescope C. spectroscope D. tongs 20. The Alpha Centauri Star system contains 3 stars; and is 4.3 light years away from Earth. How long does it take light from this star system to reach Earth? A. 4.3 years B. 4.3 seconds C. 8.6 years D. all of the above 21. A red giant is… A. a large planet B. a large nebula C. a large star D. a large galaxy E. all of the above 22. Newton and Einstein believed that the Universe was infinitely old and unchanging. Which of the following is evidence of a relatively young, expanding universe as proposed in the Big Bang Theory? A. the lack of many heavy elements found in the Universe B. the age of white dwarf stars C. red-shift of galaxies D. Cosmic Microwave Background Radiation E. all of the above
23. With the current evidence; what will happen to the Universe? A. It will expand for two more years B. It will begin to contract and eventually collapse in on itself due to gravity C. It will merge with another universe into a multiverse D. None of the above; we don't know
24. Knowledge of which of these could help determine if an object that is creating waves (light, sound, or any other wave of energy) is moving towards you or away from you? A. the Coriolis Effect B. the Doppler Effect C. Continental Drift D. Conservation of Energy
25. Which of the following is the correct order of events for the life cycle of a low/medium mass star? A. Nebula, main sequence star, red giant, white dwarf B. Nebula, main sequence star, supernova, white dwarf C. Main sequence star, nebula, red giant, white dwarf D. Nebula, main sequence star, super giant, supernova, neutron star
Name: ____________________________________ Date: __________________ Class Period: ______________
8th Grade Homework #3 (M)
1. The diagram below shows a model of an atom. Which label points to the part of the atom that has a neutral charge? STOP….before you answer you need to label each part (and charge) of the atom in the diagram. STAAR CHRONICLE pg. 2
A. A B. B C. C
2. The image to the right shows a section of the periodic table of the elements. Each atom of silicon (Si) has 4 valence electrons. Which of these elements also has 4 valence electrons? STAAR CHRONICLE pg. 3
A. lead (Pb) B. nitrogen (N) C. aluminum (Al)
4. What is the net force of two forces that are balanced? A. zero
B. less than one C. greater than one
5. When the moon is waxing, what happens to the sunlight part that we see on Earth? STAAR CHRONICLE pg. 9 A. It increases. B. It decreases. C. It stays the same. 6. The majority of volcanoes are located in the Pacific Ocean in an area called the Ring of Fire. How is the location of volcanoes in the Ring of Fire related to tectonic plate boundaries? STAAR CHRONICLE pg. 8 A. Most volcanoes in the Ring of Fire are located at hot spots. B. Most volcanoes in the Ring of Fire are located along a mid-ocean ridge. C. Most volcanoes in the Ring of Fire are located where an oceanic plate collides with a continental plate. 7. Mr. Platteter drew the map to the right. Which two points are at the same elevation? STAAR CHRONICLE pg. 9 A. O and M B. N and R C. O and K
8. Where are hurricanes most likely to form? STAAR CHRONICLE pg. 12 I. above temperate (30OF – 65OF) oceans J. above tropical (80OF and above) oceans K. above tropical land masses
9. The diagram below shows a food web for a certain ecosystem. Which of the following best describes what may happen if pollution caused the fish population to decrease? STAAR CHRONICLE pg. 6 I. The brine shrimp population may
decrease. J. The mouse population may increase. K. The heron population may decrease.
10. Which of the following is a biotic (living) factor in a forest ecosystem? A. the rock formations that make up the forest floor B. the mosses that cover sides of tree trunks C. the average temperature in the winter 11. Which of the following statements correctly describes the way that almost all organisms in the kingdoms Plantae and Animalia obtain nutrients? STAAR CHRONICLE pg. 14
A. plants are heterotrophs and animals are autotrophs B. plants are autotrophs and animals are heterotrophs C. both plants and animals are autotrophs
12. The diagram below shows the orbit of Earth around the sun and the orbit of the moon around Earth. What force keeps these objects in orbit? A. mass B. friction C. gravity 13. What would happen to the force that keeps Earth in orbit if Earth were farther from the sun? A. It would increase. B. It would decrease. C. It would disappear.
1. Use the graph to determine the speed of the car when the car is at 60 cm. Bubble your answer in the bubble grid below. (sci.8.2.6.8.C) STAAR CHRONICLE pg. 5
2. Nonmetals are found on the right side of the periodic table. Which of the following best describes the properties of nonmetals? (sci.8.2.6.6.A) STAAR CHRONICLE pg. 3
A. shiny and silver in color B. poor conductors of electric current C. flattened when hit with a hammer D. solids at room temperature 3. A geologist who is studying rocks found on an expedition places a 25g graduated cylinder on a scale and adds 100cm3 of water to the cylinder. Then, the geologist places one rock in each cylinder, one at a time, as shown below. Which rock or rocks have the greatest density? (sci.8.1.6.6.B) STAAR CHRONICLE pg. 12
A. Rock A B. Rock B C. Rock C D. Rock A and C 4. What does kinetic energy depend on? (sci.8.1.6.8.A) STAAR CHRONICLE pg. 11
A. mass and volume B. velocity and weight C. weight and height D. velocity and mass
5. If the average speed of a car is 110 km/h, how many hours would it take for the car to travel 715 km? Fill your answer in the bubble grid to the right. (sci.8.2.6.8.B) STAAR CHRONICLE pg. 5 6. Which of the following does not experience a change in velocity? (sci.8.2.6.8.D) STAAR CHRONICLE pg. 5
A. A motorcyclist driving down a straight street and applies the brakes. B. While maintaining the same speed and direction, an experimental car switches from gasoline to electric power. C. A baseball player running from first base to second base at 10 m/s comes to a stop in 1.5 seconds. D. A bus traveling at a constant speed turns a corner.
7. What energy transfer happens when you plug in a blender? (sci.8.1.6.9.C) STAAR CHRONICLE pg. 11
A. Electrical energy becomes light energy and sound energy. B. Electrical energy becomes kinetic energy and sound energy. C. Electrical energy becomes light energy and thermal energy. D. Chemical energy becomes electrical energy. 8. Which of the following pairs of organisms are producers in their ecosystems? (sci.8.4.7.5.B) HINT: Producers make their own food through the process of photosynthesis.
A. cactuses and vultures B. turtles and lions C. lichens and bacteria D. trees and algae
Did you calculate the density for EACH rock?
WORK SPACE:
9. What is the correct term for a change that affects the physical properties but not the identity of a substance? (sci.8.2.7.6.B) If you need a review on chemistry watch the following YouTube video: http://www.youtube.com/watch?v=M8tyjwB42X4
L. a reaction M. a reduction N. a chemical change O. a physical change
10. How do pioneer species prepare an area for other living things? (sci.8.4.7.10.C) STAAR CHRONICLE pg. 12
L. by replacing existing species M. by starting the process of succession N. by protecting other species from disease O. by stopping the process of succession
11. The chart shows the four main groups of living plants. What group does a vascular plant with seeds belong to? (sci.8.4.7.11.A) A. angiosperms only B. gymnosperms or angiosperms C. gymnosperms only D. ferns, horsetails, and club mosses 12. What is the primary function of the cells that make up the majority of cells in the muscular system? (sci.8.4.7.12.B) STAAR CHRONICLE pg. 15
A. ability to carry oxygen B. ability to send electrical signals C. ability to cover and protect other cells D. ability to contract and relax to produce movement
13. A membrane-bound organelle that contains the cell’s DNA is the – (sci.8.4.7.12.D) STAAR CHRONICLE pg. 14
A. mitochondria. B. endoplasmic reticulum. C. receptor proteins. D. nucleus.
14. Some animals, such as hydras, reproduce by budding. During budding, a part of the hydra pinches off and forms an organism. Which of the following would be a characteristic of this kind of reproduction? (sci.8.4.7.14.B) STAAR CHRONICLE pg. 15
A. Genetic variation occurs among offspring. B. Two parents are required to contribute genetic information. C. Offspring take a long time to develop. D. Offspring are genetically identical to the parent.
15. Different scientists classify biomes in different ways. The map above shows one way to classify the biomes in Africa. What can be inferred about the biomes of Africa? (sci.8.4.7.10.A) A. Africa has a large concentration of tropical rain forests. B. Africa has a limited number of plant and animal communities. C. Africa has all types of plant life because of the many diverse biomes. D. Africa has large desert areas that get very little precipitation each year.