Student Test 6 th grade, Physical Science (How Do You Design a Home for South Carolina?)

Transcription

1 Student Test 6 th grade, Physical Science (How Do You Design a Home for South Carolina?) 1. Four objects of different materials have been sitting on a table in your classroom for a long time (overnight). They are: a glass with water in it, a wool sweater, and a heavy metal bar. If you were to touch the objects with a thermometer how would the temperatures compare? Rank the objects from COLDEST to WARMEST. a. metal, water, glass, sweater b. water, metal, glass, sweater c. sweater, glass, water, metal d. sweater, water, metal, glass e. they are all the same temperature 2. Chemical energy can be stored in all of the following EXCEPT: a. a battery. b. gasoline. c. a wind turbine. d. a piece of wood. e. a peanut butter sandwich. 3. Which of the following best describes the process of thermal conduction? a. the process of changing a gas to a liquid b. the process of changing a liquid to a gas. c. the motion of heat from the sun to the earth d. the movement of heat from one object to another by direct contact e. the circulation of air caused by warmer air rising and cooler air sinking 4. Which of the following objects is demonstrating the most kinetic energy? a. a candle burning b. a spring that is compressed c. a car going 60 miles per hour d. a bicycle going 10 miles per hour e. a rock sitting on the edge of a cliff 5. How does the microscopic motion of atoms in a metal pan change when they lose energy? a. They speed up. b. They slow down. c. They get heavier. d. They move farther apart. e. They move closer together. Energy Student Test

2 6. Energy is carried from the sun to the earth by a. wind. b. radiation. c. convection. d. conduction. e. precipitation. 7. A battery converts its stored energy to provide electrical energy. a. mechanical b. chemical c. thermal d. nuclear e. kinetic 8. Matt Kenseth enters pit row at Darlington going nearly 200 kilometers per hour. He slams on his brakes and SQUEALS to a stop. Where does the kinetic energy of his car go? a. transformed to potential energy b. remains in the form of kinetic energy c. transformed to sound and thermal energy d. transformed to chemical and sound energy e. transformed to thermal and chemical energy 9. a. Energy can be created and destroyed but cannot be transformed. b. Energy cannot be created nor destroyed and cannot be transformed. c. Energy cannot be created nor destroyed but can be transformed. d. Energy can be created, destroyed and transformed. e. Energy cannot be created but can be destroyed and transformed. 10. Chavon wants to investigate the melting of ice. Which of the following steps of a scientific investigation should she do first? a. Collect data. b. Make a conclusion. c. Graph the data. d. Ask an investigative question. e. Write a report. Energy Student Test

3 11. An electric motor is connected to a battery. The motor begins to turn due to a. kinetic energy b. heat generation c. an electric force d. potential energy e. a magnetic force 12. At the Lake Murray Dam fast moving water turns a turbine. Energy transfer that occurs in the turbine would be: a. from kinetic energy to chemical energy. b. from potential energy to thermal energy. c. from kinetic energy to electrical energy. d. from chemical energy to electrical energy. e. from electrical energy to kinetic energy. 13. Which of the following is an example of convection? a. The sun heating your face. b. Electric current heating a wire. c. Water freezing on a pond during winter. d. Hot air rising from a campfire. e. A hot stove burning your hand. 14. A cup of hot cocoa is placed on the table. Which of the following best describes the process that occurs next. a. Thermal energy moves from the cup to the table. b. Cold energy moves from the table to the cup. c. Chemical energy is transferred from the cup to the table. d. Electrical energy is transferred from the cup to the table. e. Energy is conserved and is not transferred between the objects. 15. From the situations below, choose the one that describes the process of radiation. a. A boy packs a snowball with his bare hands. The snow chills the boys hands. b. On a cold winter day, a puppy snuggles up against his mother for warmth. The mother warms the puppy. c. On a clear winter day, a girl takes off her heavy winter jacket to bask in the sun. The sun warms the girl. d. A beginning waterskier falls into the water. The waters cools him down. Energy Student Test

4 16. Which of the following statements about heat energy is TRUE? a. Transferring heat energy to a substance always changes the temperature of the substance. b. Heat energy and cold energy are two names for the same type of energy. c. Heat energy is transferred from warmer objects to cooler objects. d. Warmer objects take heat energy away from cooler objects. 17. Which statement best demonstrates the Law of Conservation of Energy? a. The new flourescent light bulbs do not use energy. b. A magician makes a light bulb shine apparently from nothing. c. A light bulb receives electrical energy from wires and turns it into heat and light energy. d. A light bulb could receive electrical energy from wires but does not light up because the switch is off. 18. In the figure below, an ice cube has been added to a glass of water at room temperature. Which process of thermal energy transfer contributes the most to the melting of the ice? a. conduction b. convection c. radiation d. induction Energy Student Test

5 19. Which of the following flow diagrams best represents energy transfer in a flashlight? a. chemical electrical light and thermal energy b. electrical light thermal energy c. mechanical electrical light and thermal energy d. electrical chemical light and thermal energy 20. How does energy transfer occur from a coal- burning powerplant to a toaster in your kitchen? a. chemical electrical mechanical thermal b. electrical mechanical thermal chemical c. chemical thermal mechanical electrical d. mechanical chemical electrical thermal Energy Student Test