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Vocabulary Review. The nonliving parts of the environment.

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Presentation on theme: "Vocabulary Review. The nonliving parts of the environment."— Presentation transcript:

1 Vocabulary Review


3 The nonliving parts of the environment

4 Abiotic factors


6 Rain, sleet, or snow that contain acid from air pollution

7 Acid precipitation


9 a change in velocity or speed of an object

10 Acceleration


12 Ecosystems found in water

13 Aquatic ecosystems


15 The most basic part of matter

16 atom


18 When different charges or poles of a magnet come closer together

19 attract


21 Each line on the sides of a line graph

22 axis


24 Plural form of axis

25 axes


27 A tool that measures the mass of an object

28 balance


30 Forces that have a net force of zero

31 Balanced forces


33 A long, narrow island that forms parallel to a beach

34 Barrier island


36 The living parts of the environment

37 biotic


39 Consumers that eat only other animals

40 carnivore


42 The largest population of a certain organism that an ecosystem can support

43 Carrying capacity


45 The smallest unit of life

46 cell


48 A thin layer that allows some materials to pass in and out of plant and animal cells

49 Cell membrane


51 The stiff outer layer of a plant cell

52 Cell wall


54 A change that forms a new type of matter

55 Chemical change


57 A feature of matter tha can cause a chemical change

58 Chemical property


60 The process in which two substances combine and undergo a chemical change


62 The parts of a plant cell that produces food

63 chloroplasts


65 A method of separating the parts of a mixture based on their weights. Separating a liquid solution

66 chromatography


68 A uniformly mixed mixture that contains particles which are larger that those in a solution, but smaller than in those in suspension

69 colloid


71 All of the populations which live in the same area

72 community


74 A tool used to measure direction

75 compass


77 The amount of solute dissolved into a solvent

78 concentration


80 A solution that contains larger amount of the solute

81 concentrated


83 Statements that you think are true based on knowledge and observations

84 conclusion


86 Areas which have colder temperatures and contain trees, such as pine trees that produce seeds in cones and that have leaves shaped like needles

87 Coniferous forest


89 The wise use of natural resources

90 conservation


92 Features on land

93 Continental plates


95 The plates under land


97 Part of the ocean floor that begins at the shore and slopes gently toward the ocean

98 Continental slope


100 Parts of the experiment that stay the same

101 Controlled variable


103 A very large movement of water

104 current


106 A jelly-like substance that fills plants and animal cells

107 cytoplasm


109 information

110 data


112 Slowing down

113 decelerating


115 An organism that gets energy by breaking down nutrients in dead organism

116 decomposer


118 An object’s mass compared to its volume

119 density


121 The variable in an experiment which changes depending upon the independent variable; also called the responding variable

122 Dependent variable


124 The dropping of sediment or particles by water, wind, or ice

125 deposition


127 To imagine and create the best way to solve problem or how to make a new product

128 design


130 A solution that has smaller amounts of a solute

131 dilute


133 North, south, east, and west

134 direction


136 To break apart

137 dissolve


139 When parts of the Earth’s crust shifts

140 earthquake

141 The study of the interactions between organisms and their environment

142 ecology

143 A scientist who studies ecology

144 ecologist

145 A group of living things and their nonliving environment

146 ecosystem

147 The movement of weathered rock from place to place

148 erosion

149 A body of water found in an area where freshwater and salt water mix

150 estuary

151 The process by which a liquid turns to a gas

152 evaporation

153 Controlled test

154 experiment

155 A crack in the rock of Earth’s crust

156 fault

157 Paper or other screen with small holes in it, used to separate mixtures

158 filter

159 Medical care used in an emergency

160 First aid

161 Process used to separate items of different densities in a liquid

162 floatation

163 The rising and overflowing of a body of water especially onto land that is normally dry. Floods can change land and oceans, and often cause erosion

164 flood

165 The path of energy as it flows from one organism to the next

166 Food chain

167 A diagram of several interconnected food chains

168 Food web

169 A push or pull on an object

170 force

171 The force that acts on an object to stop its motion

172 friction

173 A state of matter whose particles are always in motion

174 gas

175 Warm areas that receive some rainfall,are usually flat or have gently rolling hills, and are often called prairies, plains, or pampas

176 grasslands

177 The force that pulls all objects on Earth toward the center of the Earth

178 gravity

179 Consumers that eat only plants

180 herbivore

181 A mixture is not mixed evenly througout

182 Heterogeneous mixture

183 A mixture which is the same (mixed evenly) througout

184 Homogeneous mixture

185 An organism which is infected by a parasite

186 host

187 An answer or explanation to a question

188 hypothesis

189 A variable which changes in an experiment; also called a manipulated variable

190 Independent variable

191 The tendency of an object to remain at rest or in motion unless acted upon by a force

192 inertia

193 A conclusion drawn from what you know and what you have learned from your observations

194 A narrow strip of water that is protected by barrier islands

195 inlet

196 Looking at a problem in a scientific way and asking questions in order to solve it; a test for a hypothesis

197 investigation

198 When large pieces of land slide down a hill

199 landslide

200 Resources and environmental factors that limit the size of a population

201 A way to organize and display information using horizontal lines; line graphs show changes over time

202 Line graph

203 A state of matter that takes the shape of the container it is in

204 liquid

205 A substance that reduces friction

206 lubricant

207 Molten rock under Earth’s surface

208 magma

209 The attraction and repulsion of magnetic objects to each other

210 magnetism

211 To use a tool to make things look larger

212 magnify

213 The total amount of matter in an object

214 mass

215 Something that has mass and takes up space

216 matter

217 An underwater mountain range

218 Mid-ocean ridge

219 Two or more kinds of matter that are mixed

220 mixture

221 The smallest piece of matter that retains all the properties of that object and is made up of many atoms

222 molecule

223 The part of a plant and animal cell that controls growth and contains genes

224 nucleus

225 Using the five senses to learn more about the world

226 observation

227 The part of Earth that is covered by oceans

228 Ocean basin

229 The plates under the ocean

230 Oceanic plates

231 A consumer that eats both plants and animals

232 omnivore

233 The organism that must live on or inside another organism in order to get energy

234 parasite

235 A change in matter in which the type of matter stays the same

236 Physical change

237 A feature of matter that you can recognize with your senses

238 Physical property

239 A substance which causes pollution

240 pollutant

241 A group of organisms of the same species living in the same place

242 population

243 An organism that eats other organisms

244 predator

245 An organism that is eaten by another organism

246 prey

247 Organisms that produce their own food

248 producers

249 The new substance that forms during a chemical reaction

250 production

251 Matter that is not a mixture

252 Pure substance

253 The rate at which a solute is dissolved

254 Rate of solubility

255 The substances that react with each other during a chemical reaction

256 reactant

257 When two like charges or poles of a magnet move away from each other

258 repel

259 An organism’s need

260 resources

261 Pieces of information gathered from an investigation

262 results

263 A crack in the ocean floor caused by tectonic plats moving apart

264 Rift zone

265 A smaller ridge of sand parallel to the beach

266 sandbar

267 A solution that contains the maximum amount of a solute that it can hold

268 saturated

269 Mountains that are far away from mid-ocean ridgs

270 seamount

271 Using a strainer to separate parts of a mixture

272 sifting

273 A part of a line graph that represents velocity

274 slope

275 A form of air pollution

276 smog

277 A state of matter whose particles are close together and do not move much

278 solid

279 The amount of solute that can be dissolved into a solvent

280 solubility

281 The substance that makes up the smaller part of a solution

282 solute

283 The substance that makes up the larger part of a solution

284 solvent

285 A measurement of distance over time

286 speed

287 The form that matter has

288 State of matter

289 The amount of a substance’s surface that is exposed

290 Surface area

291 A mixture in which the particles separate easily

292 suspension

293 Plates which make up Earth’s surface

294 Tectonic plates

295 A forest that contains trees which lose their leaves each autumn

296 Temperate deciduous forest

297 An ecosystem on land

298 Terrestrial ecosystem

299 The feel of a surface

300 Texture

301 The rise and fall of the levels of the oceans

302 tides

303 An ocean feature that has a length of thousands of kilometers is generally hundreds of kilometers wide and extends 3 to 4 Kim deeper that the surrounding ocean floor

304 trench

305 A forest found in much warmer areas that receives plenty of rain

306 Tropical rain forest

307 Forces that have a net force balance not equal to zero

308 unbalanced

309 A large membrane-covered chamber which stores chemicals and wastes inside a plant cell

310 vacuole

311 A part of an experiment that may change or vary

312 variable

313 Speed and direction

314 velocity

315 An opening in Earth’s crust through which molten lava, ash, and gases are ejected

316 volcano

317 How much space an object take up

318 volume

319 A motion of ocean water caused by wind

320 wave

321 The breakdown of rock at or near Earth’s surface

322 weathering

323 The pull of gravity on an object

324 gravity









































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