335690
Descripción
Fichas por ebannatyne.45...., actualizado hace más de 1 año
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Creado por ebannatyne.45....
hace alrededor de 11 años
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| Pregunta | Respuesta |
| what are the things forces can do | speed up slow down change shape change direction |
| what is a force | a force is a push pull or twist |
| what is a contact force | a contact force is when the force is in contact with the object it is affecting |
| what is a non contact force | an non contact force is when the force is not touching the object it is affecting |
| what are the properties of water | 1 oxygen atom 2 hydrogen atom |
| what is a souluble | a substance that is able to disolve |
| what is a solute | the substance that dissolves into a solvent to create a soloution |
| what is a solvent | the main liquid part is a soloution |
| what is a soloution | a liquid made up from two or more solutes and solvents. the solute needs to be fully disolved |
| what is a compound | a thing that is composed of two or more separate elements |
| what is a mixture | a substance made by mixing other substances together |
| what is an element | a pure substance with only one type of atom |
| what is density | the mass of a 1cm cube of substance |
| what is the law of static electricity | opposite charges attract like charges repel neutral objects are attracted to charged ones |
| what is friction | the resistance that one surface or object encounters when moving over another that slows the object down |
| how do objects become charged | induction friction conduction |
| what is gravity | the force that attracts a body towards the center of the earth |
| what is a magnetic field | the force field around a magnet |
| What is the difference between mass and weight? | Mass is the measurement of how much matter there is in an object and weight is how much we weigh when gravity is acting on us. |
| what are the two types of weathering | chemical and physical |
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Image:
e (image/jpg)
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meniscus |
| what are the four spheres in our atmosphere | 1.troposphere 2.stratosphere 3.mesosphere 4.thermosphere |
| what is distilation | purifying a liquid by heating and cooling it |
| what are the five cell kingdoms | plant protist animal fungi monera |
| what is science | science is the store of knowledge gained through problem solving |
| what are some features of a plant cell | .cell wall .large vacuole .cloroplast |
| what are some features of animal cells | .cell membrane .cytoplasm .vacuoles .neculus |
| what is the diffidence between theory and law? | a theory is an advanced hypothesis and a law is an observable fact about something |
| what are some signs that a chemical reaction has taken place? | -smells different -change in temperature -gas has given of -change in substance -different colour |
| what is it called when cells take in and put out substances? | exocytosis |
| what was Aristotle's theory on matter and why was it rejected? | Every thing is made from matter. it did not pass because they had no proof |
| what is a parallax error | when the person viewing the measurement in not eye level with the meniscus |
| what are the 7 branches of science | -zoology -astronomy -biology -chemistry -physics -geology -echology |
| who invented the microscope and discovered cells | robert hook |
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