Science Examination quiz 2By Gavin Thomas / November 26, 2023 Welcome to your Science Examination quiz 2 your teachers email your name your school 1. How many organisms in this food web eat only producers? 2 3 4 6 None 2. The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. What energy transformations occur when propane gas is used to lift the balloon? Mechanical --->light---> chemical Chemical---> mechanical---> thermal Thermal ---> chemical ---> light Chemical ---> thermal --->mechanical None 3. A student keeps a record of the phases of the moon for one month. On the first night of the student’s observations, the full moon is visible in the sky. After the full moon, which of these phases will the student observe next? Waxing crescent moon Waxing gibbous moon Waning gibbous moon Waning crescent moon None 4. Which process causes a wet towel to become dry? codensation precipitation evapouration deposition None 5. Ice is solid water that has definite shape and a definite volume a definite shape, but no definite volume no definite shape and no definite volume no definite shape, but a definite volume None 6. Which color of shirt would absorb the most sunlight? white yellow pink black None 7. It is harder to push a box up a ramp with a rough surface than up one with a smooth surface because the rough surface provides more gravity friction magnetism motion None 8. Three different objects that use the same source of energy are shown below. What is the energy source for these objects? Light energy Electric energy Sound energy Thermal energy None 9. A class is learning about states of matter. The teacher shows the students how to set up the investigation shown in the diagram. What kinds of energy are needed in this investigation to change the state of matter of the candle? Thermal and mechanical Light, mechanical, and thermal Mechanical, light, and electrical Electrical and thermal None 10. What would happen if the STAMEN was removed from a plant? The plant would die The plant would not be able to produce seeds and fruit The plant would no longer produce pollen The plant would not have ovary protection None 11. How is pollination related to fertilization? Fertilization must take place before pollination happens Pollination must take place before fertilization happens Fertilization only occurs in Unisexual Plants They are the same process None 12. What would you notice about a flower with no ovary? It does not produce pollen It does not produce fruits It does not have a pedicile It can only Self-Pollinate None 13. Flood-prone areas use inclined plane as ramps in elevated carparks.The following are true about the uses of inclined plane EXCEPT one. It reduces the effort It helps move the a weight to a higher elevation. Ramps and staircase are the examples of inclined plane. The effort needs to lift or move load can be reduced by moving the fulcrum. None 14. Screws are used to tighten two objects together. Which of following does NOT describe the screw? It is a modified version of the inclined plane It is fixed and it does not rise or fall It is an inclined plane wrapped in a spiral around a post. Jar lid, drill bit and threads are examples of screw None 15. What simple machine combines with itself to make a wedge? lever Inclined plane Pulley Wheel and axle None 16. Which shows how the nervous system work with the musculoskeletal system? The nervous system helps the bones and muscles to be attached to one another Bones and muscles cannot stand alone without the spinal cord Bones and muscles are attached to each other by the nerves. The nerves send signals to the bones and muscles for specific movement. None 17. Which organism in the food web above likely to have such a jawbone ? J K L M None 18. Which of the following system is correctly identified ? 1 2 3 4 None 19. What word means body temperature changes when the outside temperature changes is related to which group of animals? fishes , birds , amphibians mammals , reptiles , amphibians fishes , reptiles , amphibians mammals , birds , amphibians None 20. What do these organisms have in common ? they are all vertebrates they are all invertebrates they all live in water they live by the sea shore None 21. The information below shows similarities between penguins and frogs . Which of the following is TRUE ? A ONLY A and B ONLY A , B and C A and C ONLY None 22. Respectively how would the seeds of these plants disperse explosive mechanism and wind explosive mechanism and sticking to animals birds and explosive mechanism water and wind None 23. Based on the diagram which of the following correctly identifies the blood vessels rich in oxygen and carbon dioxide respectively ? 1 2 3 4 None 24. In which parts does digested food get absorbed into bloodstream B ONLY A , B , C A and B C ONLY None 25. Lobster, shrimp, and crabs are examples of what group of Arthropods? Chilopoda Diplopoda Arachnid Crustaceans None 26. I am covered in dry scales and I lay eggs. What am I? reptile amphibians fishes birds None 27. What do each of the following animals have in common? fish, snake, turtle, lizard they do not have backbone they live mostly in water body temperature changes when the outside temperature changes? they breathe by lungs None 28. All of the following are characteristics of mammals except _____ they give birth to live young they breathe through gills they produce milk they are covered with hair None 29. Any form of water that falls from clouds and reaches Earth's surface as rain, snow, sleet, or hail is called... runoff precipitation ground water surface water None 30. What source of energy evaporates the most water from Earth's surface? the sun plants water wind None 31. In the water cycle, how does water vapor return to Earth? It evaporates and is blown by the wind. It evaporates and stays in the sky. It sticks to any surface with which it comes in contact. It condenses and then falls as precipitation. None 32. Which is an example of condensation? Ocean water changing to water vapor Water flowing down a river Clouds or dew forming Underground water soaking into rocks None 33. The anemometer is turning very fast. What does this show? The sky is covered with thick clouds. The weather is fair. It is hot and sunny. There is a strong wind in the area. None 34. Which instrument measures the hotness and coldness of the air? thermometer barometer anemometer Campbell sun stroke recorder None 35. What happens to the particles of matter in a liquid when it freezes? particles of matter move faster and begin to react with one another. particles of matter move slowly and join together. particles of matter take up space and expands. particles of matter lose heat energy, slow down and move closer together. None 36. What do you call magnets which have strong magnetic field but lose its magnetism when no magnetic field is present? magnetic field Temporary magnets Non-magnetic metals permanent magnets None 37. The small opening in the middle of the iris, and it allows the light rays to enter the eye is called? iris pupil lens choroid layer None 38. What is the biggest part of the eye? vitreous humor aqueous humor lens cornea None 39. What does this symbol on on object mean? The item is made from toxic material. The item is made from recycled material. The item is litter. The item is poisonous. None 40. A seed is the part of a fruit that holds the _____. ovules ovary embryo testa None Time's up
