_GCPS_05_SC_All_Domains (_GCPS_05_SC_All_Domains)

Transcription

1 Name: Date: 1. Why is a microscope needed to view cells? A. to separate cells from each other B. to make cells look bigger than they are C. to make cells look smaller than they are D. to hold the cells still so they can be seen 2. Billy and Sarah wanted to use their electromagnet to see if the battery still had enough power left for future experiments. Which material should they use for this test? A. a steel paper clip B. a glass test tube C. a piece of cloth D. a plastic spoon 3. What is required for this electromagnet to work? A. The nail must already be a magnet. B. The battery must provide electricity. C. The wire must be coated with plastic. D. The coil must be made of magnetic wire. 1

2 4. The picture shows the results of an experiment with an electromagnet. If the magnet had 6 turns of wire, how many pins would it probably pick up? A. 9 B. 10 C. 11 D In order to turn on the light, a piece of wire needs to be connected from A. A to C. B. A to D. C. B to C. D. C to D. 2

3 6. The figures below show a light bulb connected to a battery in two different ways. When the switch in Figure 1 is closed the bulb will light. A plastic ring is inserted in the circuit as shown in Figure 2. What will happen when the switch is closed in Figure 2? A. The bulb will light just as it did in Figure 1. B. The bulb will be brighter than it was in Figure 1. C. The bulb will light, but will be less bright than it was in Figure 1. D. The bulb will not light at all. This online assessment item contains material that has been released to the public by the Massachusetts Department of Education. 7. Marta has a radio in her room. It requires electricity in order to play. Which of the following is necessary in order for electricity to move from the source to the radio? A. a circuit B. a magnet C. a light bulb D. an insulator This online assessment item contains material that has been released to the public by the Massachusetts Department of Education. 3

4 8. Which circuit would turn the light bulb on? _GCPS_05_SC_All_Domains (_GCPS_05_SC_All_Domains) A. B. C. D. 9. Some children are making mud balls. They cut the mud balls in half. Which of these changed when the mud balls were cut in half? A. The softness of the mud ball B. The size of the mud ball C. The color of the mud ball D. The stickiness of the mud ball 4

5 10. If you break a piece of glass, the shape of the glass changes, but the properties in the fragments remain the same. Which of the following has occurred? A. A chemical change B. A temperature change C. A phase change D. A physical change 11. Tearing paper is an example of a A. physical change. B. chemical change. C. chemical reaction. D. solution. 12. Which process is a physical change? A. Rusting iron B. Burning coal C. Tarnishing silver D. Melting ice Pemission has been granted for reproduction by the Virginia Department of Education 13. Why does a plastic rod have a negative 2 charge after being rubbed with a piece of fur? A. The fur gives up protons to the rod. B. The rod gives up electrons to the air. C. The fur gains protons from the rod. D. The rod gains electrons from the fur. This online assessment item contains material that has been released to the public by the Massachusetts Department of Education. 5

6 14. Objects with like charges repel and unlike charges attract. The girl's hair and the comb have A. unlike charges B. like charges C. neutral charges D. no charges 15. A comb is rubbed with a piece of wool fabric and placed next to some scraps of paper. The paper moves toward the comb. The movement of the paper is caused by A. chemical energy B. magnetic attraction C. mechanical energy D. static electricity 6

7 16. Use the pictures below to answer this question. _GCPS_05_SC_All_Domains (_GCPS_05_SC_All_Domains) Jerome rubs a balloon against his hair. Then he puts the balloon on the wall. It stays there. The balloon sticks to the wall because of A. static electricity. B. magnetism. C. heat energy. D. power. 17. The picture shows a comb that was used on a cold, dry day. Which of these cause the bits of paper to be attracted to the comb? A. Magnetic forces B. Chemical reactions C. Static electricity D. Heat differences 7

8 18. Redwood trees can grow to be very tall. They can grow so tall because they are A. vascular B. deciduous C. nonvascular D. flowering 19. Which of these plants does not have special tissues to deliver food and water to its cells? A. Maple B. Dogwood C. Tomato D. Liverwort 20. One way that mosses and ferns are similar is they both A. are flowering plants. B. produce spores. C. grow in areas with little rainfall. D. are dormant during the winter. 8

9 21. _Which of these is not a plant? _GCPS_05_SC_All_Domains (_GCPS_05_SC_All_Domains) A. F. B. G. C. H. D. J. 9

10 22. The picture below shows a leaf from a sugar maple tree. Which of the following tree leaves is most likely from a tree that is closely related to the sugar maple? A. B. C. D. 10

11 This online assessment item contains material that has been released to the public by the Massachusetts Department of Education. 23. Which of these materials is a good conductor of electricity? A. Rubber B. Glass C. Metal D. Newspaper 24. Many electrical wires are wrapped with a plastic coating because plastic is A. less expensive than steel. B. more dense than copper. C. able to keep its shape. D. a good insulator. 25. What material would be safest to use as an insulator to cover electrical wires? A. Aluminum B. Tin C. Rubber D. Water 11

12 Answer Key 1. B) to make cells look bigger than they are 2. A) a steel paper clip 3. B) The battery must provide electricity. 4. C) B) A to D. 6. D) The bulb will not light at all. 7. A) a circuit 8. C) 9. B) The size of the mud ball 10. D) A physical change 11. A) physical change. 12. D) Melting ice 13. D) The rod gains electrons from the fur. 14. A) unlike charges 15. D) static electricity 16. A) static electricity. 17. C) Static electricity 12

13 18. A) vascular 19. D) Liverwort 20. B) produce spores. 21. B) G. 22. B) 23. C) Metal 24. D) a good insulator. 25. C) Rubber 13