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cheney8
| Question | Answer |
|---|---|
| hazard | anything that can be dangerous |
| precaution | anything done to prevent an accident |
| conservation | the careful use and protection of natural resources |
| recycle | to reuse materials |
| steps of the scientific method | question, hypothesis, experiment, analysis, conclusion |
| hypothesis | a predicted answer |
| experiment | includes materials, procedures, and recording data |
| analysis | means to examine |
| conclusion | comes at the end, answers the question, is suppported by the data |
| data | collected information |
| variable | the part that is tested and it is the part that is different |
| testable | anything that is observable and measurable |
| control | the part that is not changed or different in an experiment |
| five senses | hearing, tasting, touching, smelling, seeing |
| data | collected information |
| symmetry | when opposite sides of an object are the same |
| mass | the amount of matter in an object |
| volume | the amount of space something takes up |
| interpret | explain what the data means |
| trial | a single complete investigation |
| map | used to display locations |
| table | used to display large amounts of information |
| line graph | this graph show change |
| circle graph | this graph compares a part to the whole |
| inference | a decision based on observations and reasoning |
| consumer | eats other organisms |
| validity | means truthfulness |
| model | a representation of something in the world |
| characteristics | also known as traits or features |
| producer | makes its own food |
| photosynthesis | the process by which plants make their own food |
| inherited traits | passed from parent to offspring |
| behavior | a response of an organism to its environment |
| instinctive behavior | inherited from the parents |
| learned behaviors | develop as an organism interacts with its environment - like tying a shoe |
| life cycle | the stages of development an organism goes through |
| seed | a developing plant embryo |
| germination | when a seed sprouts from a seed |
| fertilization | when the male sex cell in the pollen joins with the female sex cell |
| dispersed | another word for scattered by wind, animals, or water |
| mature | the final stage of development where an organism is able to produce offspring |
| metamorphosis | a change in body form |
| larva | the early, immature stage in the life cycle of some animals |
| pupa stage | when the larva is changing into an adult |
| ecosystem | all of the living and nonliving things in an area |
| habitat | the place an organism lives |
| resources | the materials an organism needs for survival |
| competition | when two organisms are struggling for the same resource |
| succession | the changes that take place in an ecosystem over time |
| community | all of the living organisms in an ecosystem |
| pollution | when harmful substances are released into an environment |
| environment | an organism's surroundings |
| desert | a biome that is hot or cold and dry |
| rainforest | a biome that has more insects, plants, and animal species than any other biome |
| aquatic biome | includes marine and freshwater ecosystems |
| coniferous biome | the trees in this biome have needle like leaves and stay green all year |
| deciduous biome | we live in this biome and have 4 seasons |
| herbivore | eats only plants |
| carnivore | eats only meat |
| omnivore | eats plants and meat |
| food chain | a diagram that uses arrows to show the flow of energy from one organism to another |
| species | a group of organisms that can mate and produce offspring |
| decomposer | breaks down the remains of dead organisms |
| scavenger | feeds on left over dead animals |
| food web | overlapping food chains |
| modify | this word means to change |
| inexhaustible resource | a resource that can not be used up |
| renewable resource | a resource that can be replaced in a short time |
| nonrenewable resource | a resource that can be used up |
| absorbent | able to take in |
| nocturnal | active at night |
| evaporation | when a substance changes from a liquid to a gas |
| condensation | when a gas changes to a liquid |
| precipitation | any form of water that falls from clouds to earth |
| runoff | when water flows down a hill or mountain into a stream or river |
| six | the number of legs an insect has |
| three | the number of body parts an insect has |
| asteroid belt | this is between mars and jupiter |
| cycle | something that happens over and over again |
| leaf | the part of a plant that takes in sunlight and makes food and gives off oxygen |
| root | the part of a plant that takes in the most water |
| fossil fuel | substance formed many years ago and used as a fuel |
| carbon dioxide | a gas given off when fossil fuels are burned causes global warming |
| global warming | an increase in earth's temperature caused by greenhouse gases like carbon dioxide |
| drought | a period of no rain |
| flood | too much rain |
| species | organisms that can mate and produce fertile offspring |
| extinct | no longer alive |
| variation | differences in members of a species like coat patterns |
| energy | the ability to cause change in matter |
| heat | caused by the movement of particles in matter |
| solar energy | comes from the sun |
| refraction | when light is bent as it is transmitted through a substance |
| reflection | the bouncing of light from a surface |
| circuit | a closed path through which electricity travels |
| electric circuit | the flow of electric charges through a circuit |
| vibration | the back and forth motion of an object |
| sound | this is made up of vibrations that we can hear |
| compression | an area where air particles are pushed together |
| motion | a change in position |
| force | a push or a pull |
| gravity | the force of attraction between objects |
| friction | opposes motion and can slow objects |
| inertia | the tendency of a moving object to keep moving or of a still object to stay still |
| matter | anything that has mass and takes up space |
| physical properties | properties that you can see like size and shape |
| characteristic properties | properties that do not change like freezing and boiling points |
| mixture | a collection of materials that the atoms or different pieces can be separated |
| solution | where the ingredients are so mixed together or dissolved they cannot be separated |
| erosion | occurs when wind, water, or ice move rock or soil |
| weathering | a process that breaks down rocks and wears down earth's surface |
| atmosphere | a layer of air between earth and outer space |
| altitude | an object's height above sea level |
| kilo | this prefix means one thousand of something |
| millimeter | is as thick as a piece of paper |
| centimeter | is a wide as you little pinky |
| weather | the temperature and precipitation of the atmosphere at a certain place at a certain time |
| moon phases | the different shapes the moon appears to have each month |
| waxing phase | the white part of the moon is on the right and is getting bigger |
| waning phase | the white part is on the left and is getting smaller |
| sun | the closest star to earth |
| solar system | the sun, planets, moons, asteroids, meteors, comets |
| fossil fuels | include coal, natural gas , and oil |
| igneous rock | is made from cooled lava |
| humus | decayed plant and animal material in the ground |
Created by:
kemberlian
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