Across
- 4. Motion, The way something appears or seems to move
- 5. The place in an ecosystem where an organism lives
- 6. Change, Begins and ends with the same matter
- 7. Phases, The apparent shape of the moon in the sky; the moon cycles through all of its phases during one orbit
- 8. Dioxide, A colorless gas made of carbon and oxygen; released by animals and used by plants
- 10. Property, characteristic that can only be observed when there is a change in matter
- 12. of Mass, The law that states matter is neither created nor destroyed during a physical or chemical change
- 14. The solid parts of Earth (rocks, soil, mountains, and land)
- 15. Organisms that use energy from the sun to make their own food
- 21. Mixture, A mixture that is uniform throughout; you cannot take it apart
- 22. Organisms that cannot make their own food
- 26. All the water on Earth
- 29. Year, A measurement of distance; the distance light travels in one year
- 30. The ability of matter to be attracted
- 31. Species, An organism introduced to a new ecosystem that causes harm
- 33. The ability of matter to dissolve in a liquid
- 34. Variable, The variable(s) that are kept the same
- 37. Chain, A model showing a series of feeding relationships and how energy moves
- 43. The amount of matter in an object
- 44. Data, Data or information that is observed
- 45. The ability to perform work or change something; the “fuel” that makes things work
- 46. Anything that has mass and takes up space
- 47. Variable, The variable that you change
- 48. Matter with no definite shape or volume; particles move freely
- 49. Web, A model showing how multiple food chains are linked together
- 50. Was your hypothesis correct?
- 53. Matter with a definite volume but no definite shape
- 54. The regular rise and fall of water along the shore; Earth’s gravity and the moon’s gravity are both pulling water toward them
- 55. Organisms that hunt for food
- 56. Data, Data that is collected by counting or measuring
- 59. The amount of space an object takes up (not the same as weight)
- 60. When sediment is dropped or left behind in a new place
- 62. Tiny openings on the underside of leaves that allow air to enter; close to prevent water loss
- 64. Factors, All of the non-living things in the environment
- 65. Particles of matter move closer together
- 66. Matter with a definite shape and volume
- 67. A type of organism made up of a single cell
Down
- 1. A procedure to test your hypothesis
- 2. The part of a meteor that does not burn up in the atmosphere and hits the ground, leaving craters in Earth’s surface
- 3. The layer of air that surrounds Earth
- 9. When water, wind, or ice slowly wears away and moves rock or soil to a new place
- 11. Mixture, A mixture with parts that are not uniformly mixed; you can take it apart
- 13. A type of heterogeneous mixture that looks the same throughout but particles settle over time
- 16. How energy can move through matter
- 17. One complete spin on the Earth’s axis; makes one rotation every 24 hours
- 18. The evaporation of water from a plant’s leaves
- 19. An educated guess about the outcome of the experiment that answers the question
- 20. Patterns in the sky made by stars; there are 88 recognized constellations
- 23. The way light bounces off of matter
- 24. Change, creates new matter
- 25. Organisms hunted by predators
- 27. Particles of matter move farther apart
- 28. Gathering information about your question or topic
- 32. All the living things on Earth (plants, animals, and people)
- 35. Organisms that break down materials into simpler substances
- 36. Property, A characteristic of matter that can be observed or measured
- 38. Cycle, The circulation of oxygen and carbon dioxide gases
- 39. Anything that can change or be changed
- 40. One complete pass of the Earth around the sun; takes the Earth 365¼ days
- 41. Variable, The variable that is observed
- 42. What you want to learn more about and get an answer to
- 43. A space rock that enters Earth’s atmosphere and burns up, usually hitting the ground (sometimes called “shooting stars”)
- 51. Factors, All of the living things in an environment
- 52. A force of attraction or pull between any two objects; pulls to the center of the Earth
- 57. Rain, Rain that is polluted and can harm plants, animals, and buildings
- 58. A type of homogeneous mixture where soluble matter dissolves into pieces so small you can no longer see it
- 61. The path a revolving object follows; Earth’s orbit is shaped like an ellipse
- 63. Use your data and observations to draw conclusions about your experiment and hypothesis