<p> APPLIED SCIENCE MID-TERM:</p><p>Name ______Date______</p><p>Section 1: ENERGY & the ENVIRONMENT</p><p>Short answer - Read the sentence and fill in the blank.</p><p>1. Energy is defined as the ______.</p><p>2. Work means ______.</p><p>3. This picture (below) shows the effects of ______.</p><p>4. Name at least four kinds of energy: ______</p><p>5. What is the Law of Conservation of Energy? ______6. Energy exists in two states. What are the two states of energy? ______</p><p>7. We transform our resources into electricity using a ______. (Hint – remember the diagram of water spinning the turbine).</p><p>8. What is the name of a natural resource that we get from plant waste? ______</p><p>9. Think back to our ice cubes on colored paper experiment outside. What type of energy were we trying to demonstrate? ______</p><p>10.Name three fossil fuels. ______</p><p>11.What does renewable mean? ______</p><p>------</p><p>Answer the questions below by using one of the following vocabulary words in the blank. Each word may be used more than once!</p><p>Electrical</p><p>Nuclear</p><p>Solar</p><p>Wind</p><p>Chemical</p><p>Hydro</p><p>12. ______energy is stored in the nucleus or center of the atom. It usually uses uranium.</p><p>13.A generator converts mechanical energy to ______energy. 14.______energy is generated on farms in West Texas to make electricity.</p><p>15.______energy is generated right here in North Carolina through Duke Energy and its three power plants.</p><p>16.______energy uses fossil fuels and is not renewable.</p><p>17.______This type of energy is very expensive, but does not produce pollution. It comes from the sun.</p><p>18.______means water, and can be used to generate electricity.</p><p>19.______energy can be converted to heat and electrical energy, and sometimes used mirrors.</p><p>20.______The potential danger for this kind of energy is a radioactive leak.</p><p>------</p><p>True or False</p><p>21.______Solar energy is from the sun. </p><p>22.______A example of biomass could be ethanol from corn or biodiesel from vegetable oil.</p><p>23.______Most of our energy currently comes from fossil fuels. (remember the bottles)</p><p>24.______A landfill is a great way to get rid of trash without hurting the earth.</p><p>25.______Global warming is like blankets over the earth’s atmosphere.</p><p>26.______Air quality affects the way we live each day and what we breathe.</p><p>27.______Smog is a cool new invention we use to make energy.</p><p>28.______In 1952, the Great London Smog occurred.</p><p>29.______Cars and factories give off harmful gases. 30.______People should drive everywhere they can in a car, instead of riding a bike or taking the bus, or walking.</p><p>31.______Greenhouse gases are good for our earth.</p><p>32.______Acid rain is a new type of rain that is good for gardens.</p><p>33.______A radio or light bulb is a form of nuclear energy.</p><p>34.______A hamburger is an example of chemical energy.</p><p>35.______Two examples of renewable energy sources are wind and solar.</p><p>------</p><p>45. Draw an atom. Label all the parts. </p><p>SECTION 2: MATTER</p><p>Multiple Choice. Choose the answer that best completes each sentence. Circle the letter of the answer.</p><p>1. Models of atoms help describe their ______, although they cannot be seen. a. mass b. state of matter c. appearance and actions d. volume 2. The particles of ______shake violently at very high temperatures. a. solids b. liquids c. gases d. plasma 3. Of the following, ______is not a compound. a. water b. oxygen c. sodium chloride d. salt 4. The particles in an atom are ______. a. compounds b. natural elements c. molecules d. electrons, protons, and neutrons 5. An element’s atomic number is the same as the number of ______it has. a. electrons b. protons c. neutrons d. nuclei 6. If an element has 4 protons and 5 neutrons, its atomic number is ______. a. 1 b. 4 c. 9 d. 20</p><p>Short Answer. Write the best answer for each question.</p><p>7. What does the movement of a molecule look like in a solid? ______8. What does the movement of a molecule look like in a gas? ______9. In a ______, matter takes the shape of the container it is placed in.</p><p>Look at the picture. </p><p>10. How many protons and neutrons does the atom have? _____. </p><p>11. How many electrons? ______</p><p>12. What is the element’s atomic number? _____. </p><p>13. Name one example of each of the states of matter listed: Liquid ______</p><p>Gas______</p><p>Solid______</p><p>Plasma______</p><p>Word bank. Choose a word or words from the word bank that best completes each sentence.</p><p>Atom natural element chemical change</p><p>Compound nucleus physical change</p><p>Element plasma liquid</p><p>Gas solid molecules 16.______are the smallest particle of a substance that can still have the properties of the substance.</p><p>17. A form of matter with definite volume, but no shape is a (an) ______.</p><p>18. A form of matter with no definete shape or volume is a (an) ______.</p><p>19. A form of matter with definite shape and volume is a (an)______.</p><p>20. A very hot gas made of particles with an electric charge is ______.</p><p>21. A ______produces one or more new substances.</p><p>22. A ______is a change in appearance of a substance, but the properties are the same.</p><p>23. Matter that has only one kind of atom is a (an) ______.</p><p>24. The ______is the building block of matter.</p><p>25. A(An) ______is the central part of an atom. 26. A(an) ______is found in nature. 27. A (an) ______is a substance that is formed when atoms of two or more elements join together.</p><p>Read each example, and decide if it is an example of a physical or chemical change of matter. Then write a P for physical and a C for chemical in the blank.</p><p>28. ______melting ice</p><p>29. ______burning wood</p><p>30. ______breaking glass</p><p>31. ______cooking</p><p>32. ______digesting food 33. ______painting a room</p><p>34. ______lighting a candle</p><p>Section 3: Force and Motion 46. A change in position is called ______.</p><p> a. Gravity</p><p> b. Motion</p><p> c. Energy</p><p> d. None of the above</p><p>47. Stored energy is called ______.</p><p> a. Kinetic</p><p> b. Light</p><p> c. Potential</p><p> d. Solar</p><p>48. The ______states that energy cannot be created or destroyed, but it can be transformed.</p><p> a. Law of Conservation of Energy</p><p> b. Energy</p><p> c. Sir Isaac Newton</p><p> d. Science</p><p>49. The force of attraction between two objects that have mass, (like between a person and the earth) is called______.</p><p> a. Force</p><p> b. Gravity</p><p> c. Motion</p><p> d. None of the above 50. ______causes all falling objects to have the same acceleration. Air resistance acts on falling objects to slow them down (remember the Leaning Tower of Pisa experiments).</p><p> a. Generator</p><p> b. Speed</p><p> c. Gravity</p><p> d. Kinetic</p><p>Section 4: Scientific Method</p><p>51. What are the six steps of the Scientific Method? (remember your memory device!)</p><p>______</p><p>______</p><p>______</p><p>______</p><p>______</p><p>______</p><p>52. What are the three key words usually found in a HYPOTHESIS statement:</p><p>______, ______, ______</p><p>EXTRA CREDIT: Look at the symbols from the Periodic Table. Underneath each one, write the name of the element. ______</p>