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Across 5. a combination of two or more substances that maintain their physical properties 7. resources that are used for alternative energy (2 Words) 9. movement 10. a push or pull 11. the force that pulls objects toward one another 12. valleys, hills, mountains, arches, deltas, plateaus 16. first organism in a food chain 17. phase after the 1st Quarter Moon (2 Words) 19. a process that speeds up when heated 22. Bird's have an __ to build nests. 23. ___ air rises. 26. energy from heat underground 28. the purpose of recycling 32. brown fur, 4 legs, yellow flowers, small leaves (2 Words) 34. the amount of matter in an object 37. the bouncing back of light waves off a surface 41. hand lens (2 Words) 44. rocks breaking into sediment 46. cannot be heard in space 49. third planet from the sun 50. deer, rabbits, cows, sheep 51. fault 52. Carbon dioxide, water and sunlight is used during ___. 55. egg, nymph, adult (2 Words) 58. fossil fuel that comes from ancient plants 59. the state of matter when molecules are far apart 60. rain, hail, sleet, or snow 61. water released from a leaf 63. the ability of a substance to dissolve in a liquid 66. Animals expel ___. (2 Words) 68. result of the tilt of the Earth 70. Summers in Texas are hot. 71. fossil fuel that comes from ancient plants and animals (2 Words) 73. the amount of space taken up 74. The ___ in the water caused the fish to die. 75. ants, worms, snails, mushrooms, beetles, bacteria, fungi 76. causes day and night 79. sound 80. the ability of a substance to dissolve in a liquid 82. animals that are hunted 83. rapid change to the Earth's surface caused by lots of rain 84. slow heartbeat and inactivity to save energy 85. makes sun appear to move across the sky 86. The pond was dry due to the ____. 87. Wolves and dogs belong to the same ___. 89. formation of an island 91. A plant's ____ will have the same traits. 93. the flow of electricity in a certain path 96. animals that eat grasses 98. action done by salt, sugar, lemon juice 99. the ability to do work 100. color of soil that is full of nutrients 101. When a force is applied to an object and the object moves, ___ has been done. 102. heat energy 103. a machine that spins 104. sixth planet from the sun 105. I want my plant to ___ so I will read about its needs. 106. If the food decreases in an animal's ____, it would have to relocate. 107. center of our solar system 108. number of years needed to make fossil fuels, canyons, sedimentary rock 109. the original source of all energy

Down 1. anything that has mass and takes up space 2. a force that works against motion; stops movement 3. egg, larva, pupa, adult (2 Words) 4. used to learn about ancient environments 5. The Monarch Butterfly ___ starts around October. 6. Without water, organisms ___. 7. the bending of light as they travel from one surface to another 8. energy from the sun (2 Words) 13. diagram of energy flow (2 Words) 14. fifth planet from the sun 15. water forming on the side of a cold water bottle 18. materials not made by humans (2 Words) 20. how a substance feels or looks 21. A coyote is a ___. 24. job or role 25. plants and animals 27. Earth rotates on its ___. 29. refers to whether an object will sink or float 30. sediment stopping 31. phase before New Moon (2 Words) 33. soil that retains a lot of water due to very small particle size 35. allows electricity or heat to pass through it 36. ice 38. iron and steel 39. the measure of the amount of gravity acting on an object's mass 40. energy from movement of water 42. fossil fuels and minerals (2 Words) 43. the energy of motion 45. earthquake 47. 365 days 48. all living and nonliving things including the interactions between them 53. phase after Full Moon (2 Words) 54. energy flow (2 Words) 56. bill on a bird, long neck on a giraffe, talons on an owl 57. melting point (2 Words) 62. planet closest to the sun 64. does not allow electricity or heat to pass through it 65. animals that eat 67. a device that measures air pressure 69. characteristics used to describe matter 72. The __ of deer suffered during the drought. 77. energy from burning plants like corn or animal waste 78. animals that eat both plants and animals 81. less on the moon than Earth 87. having to do with the sun 88. a state of matter that has a fixed shape and volume 90. river 92. tigers, lions, wolves, sharks, hawks 94. sediment moving 95. deposition where ocean meets river 97. a mixture where at least one substance dissolves and is spread out evenly 99. Sun seems to rise in the ___. 103. caused by the pull of gravity by the moon