Misc
Earth/Space
Chemistry
Physics
Biology
100
5. Sunlight is composed of energy that is visible to humans and energy that is not visible to humans. Which statement describes how the visible energy from the Sun is different from the nonvisible energy?
A. It travels at a different speed. B. It travels a different distance. C. It has different wavelengths. D. It has different amplitudes
100
5. The climate of an area can be different from its weather. Which of the following statements describes the climate of an area?
What is A. There should be heavy rains tomorrow morning. B. The rains next week are expected to cause some flooding. C. The average temperature from 1930–1996 was 23°C. D. The high temperature on September 4, 2009, was 32°C.
100
Matthew has six cubes of different materials. Each cube has a mass of 10 grams (g). Matthew sorts the cubes into two groups using one physical property. Which physical property did Matthew most likely use to sort the cubes into two groups?
What is A. density B. magnetism C. melting point D. electrical conductivity
100
5. One physical property of a star is apparent magnitude. Which of the following is used in determining the apparent magnitude of a star?
What is A. the constellation the star is in B. the distance the star is from Earth C. the number of times the star rotates D. the number of prominences the star makes
100
5. The gene for curled ears (C) is dominant over the gene for straight ears (c). The picture below shows a cat with curled ears (Cc) and a cat with straight ears (cc). What percent of the offspring are expected to have curled ears as a result of a cross between the cats shown?
What is A. 100 B. 75 C. 50 D. 25
200
5. Scientific knowledge may change as new evidence or information is discovered. Which of the following would NOT be a result of new scientific research and information?
What is A. Binomial nomenclature is assigned to a recently identified plant species. B. An endangered monkey species is put in a reserve for protection from extinction. C. A newly discovered chemical element will be added to the periodic table of the elements. D. A nonnative plant species will begin to reproduce rapidly after being introduced into a swamp ecosystem.
200
WHich of the following best describes the energy transformations a piece of wood undergoes when it is burned?
What is a. thermal and radiant energy---> chemical energy b. thermal and radiant energy---> nuclear and chemical energy c. nuclear and chemical energy---> thermal and radiant energy d. chemical energy---> thermal and radiant energy
200
What property of the magnifying lens is most responsible for allowing it to magnify the penny?
What is A. It can reflect light. B. It can refract light. C. It can increase the intensity of light. D. It can increase the wavelength of light
200
5. Mushrooms, bread molds, and yeasts are classified together in the fungi kingdom. Specific characteristics are used to classify these organisms. Which of the following is a characteristic used to classify these organisms as fungi?
What is A. They are parasites. B. They are unicellular. C. They are prokaryotes. D. They are heterotrophs.
300
5. Deforestation occurs when large areas of trees are cut down. Which of the following impacts on the environment would result from deforestation?
What is A. increased erosion B. colder temperatures C. excess ground moisture D. greater oxygen production
300
5. The climate of an area can be different from its weather. Which of the following statements describes the climate of an area?
What is A. There should be heavy rains tomorrow morning. B. The rains next week are expected to cause some flooding. C. The average temperature from 1930–1996 was 23°C. D. The high temperature on September 4, 2009, was 32°C.
300
5. Emma constructed a simple motor. When connected correctly, the coil of copper wire spins. Which of the following best describes the energy transformation that takes place between the paper clips and the spinning coil?
What is A. Chemical energy transforms into electrical energy. B. Mechanical energy transforms into electrical energy. C. Electrical energy transforms into mechanical energy. D. Mechanical energy transforms into chemical energy.
300
5. The diagram below shows forces acting on a model airplane. Both its speed and height above the ground are constant. Which of the following conditions would cause the model airplane to descend toward the ground?
What is A.The lift is equal to the drag. B. The lift is less than the weight. C. The thrust is equal to the weight. D. The thrust is greater than the drag.
300
5. A certain reptile species is a herbivore and exists only on an isolated island. Which of the following would most likely result in the extinction of the reptile species over a period of twenty thousand years?
What is A. The reptile species produces many offspring with many unique traits, and the vegetation remains constant. B. The reptile species produces few offspring with some unique traits, and the vegetation remains constant. C. The reptile species produces few offspring with no unique traits, and the vegetation changes quickly. D. The reptile species produces many offspring with some unique traits, and the vegetation changes slowly.
400
5. The water level at the beach changes during the day. What causes the different water levels?
What is A. Earth’s revolution B. the Moon’s rotation C. Earth’s magnetic field D. the Moon’s gravitational pull
400
5. The interaction between the cryosphere and hydrosphere can have an impact on Earth’s oceans. Which of the following is an example of an interaction between the cryosphere and hydrosphere?
What is A. evaporation of water from oceans at the equator B. release of fresh water into ocean water as icebergs melt C. decomposition of organic matter at the bottom of oceans D. release of large amounts of salt from icebergs into the ocean
400
5. Mrs. Aldaco added a copper (Cu) cube that is at room temperature and an aluminum (Al) cube that she just removed from the freezer to a beaker of boiling water. She left the cubes in the water for three hours. Which of the following describes a heat flow that took place during those three hours?
What is A.from the aluminum cube to the beaker B. from the copper cube to the boiling water C. from the aluminum cube to the copper cube D. from the boiling water to the aluminum cube
400
5. Luis rubbed a balloon on his hair and held the balloon next to the wall. He observed the balloon stick to the wall. Which of the following is responsible for the balloon sticking to the wall?
What is A. friction B. gravity C. electric force D. magnetic force
400
5. In order to maintain homeostasis, the systems of the human body work together to keep a constant internal temperature. Which of the following statements describes how the human body responds in a cold environment?
What is A.The nervous system moves the jaw bones and causes the chattering of teeth. B. The nervous system signals the muscles of the muscular system to contract and warm the body. C. The circulatory system delivers less carbon dioxide to the muscular system, resulting in stiffening of the muscles. D. The skeletal system produces more blood cells that circulate through the blood vessels, increasing the warmth of the body
500
5. The surface of Mercury has many more craters than the surface of Earth has. Which of the following statements best explains why Mercury has many more craters than Earth has? .
What is A. Mercury rotates faster than Earth does. B. Mercury has a smaller mass than Earth has. C. Mercury is much closer to the Sun than Earth is. D. Mercury has a thinner atmosphere than Earth has
500
5. The oldest rock formation identified on Earth is found on the shoreline of Hudson Bay in Canada. This rock formed 4.28 billion years ago. What information does a scientist need to more accurately determine the age of a rock?
What is A. the percentage of each mineral that makes up the rock B. the thickness of younger rock layers that cover the rock C. the amount of each radioactive element present in the rock D. the amount of weathering present on the surface of the rock
500
5. A timeline of some models of atoms throughout history is shown below. These models have contributed to the formation of the atomic theory. Which statement best summarizes the development of the atomic theory over time? Answer Options: D. Changes in atomic models showed that the atomic theory was based on opinion.
What is A. Advancements in atomic models proved the atomic theory was accurate. B. The discovery of new evidence resulted in changes to the atomic theory. C. With the discovery of every new element, the atomic theory was modified.
500
What determines the state of matter something will be.
What is The speed of the particles in motion, kinetic energy.
500
5. Mangrove trees are common to the Florida Everglades. The tree roots serve as a place for freshwater oysters to attach when the tide is high, as shown in the picture below. The oysters are protected from predators when attached to the roots underwater. The oysters do not harm the trees nor do they provide any benefit to the trees. Which of the following relationships is most similar to the relationship between the mangrove trees and the oysters?
What is A. African ants living in acacia trees feed on leaf-eating insects found on the tree. B. Spider crabs are camouflaged by the green-brown algae growing on their shells. C. A whale is unaffected by the attached remora fish feeding on the whale’s leftover food. D. Bees fly from one flowering plant to another gathering nectar and pollinating the flowers
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