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| Questão | Responda |
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Image:
microscope1 (image/jpg)
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Eyepiece is the top part of the microscope you look through it to see your specimen. |
| Rotating nosepiece. | you rotate the nosepiece to look at different lenses. |
| Lenses | most microscopes have 2, 3 or more that magnify at different powers. |
| Substage diaphram | it allows you to control the amount of light on the specimen. |
| Mirror | shines light up through the stage so you can see your specimen. |
| Coarse focus | it is used to bring the specimen into approximate focus. |
| Fine focus. | detailed and sharper focus. |
| Arm | You use the arm to hold and move the microscope. |
| Base. | its pretty self explanatory. |
| MRS GREN | movement, respiration, senses, growth, reproduction, excrete, nutrition. |
| Biotic.B | Living |
| Abiotic. | non-living |
| Animal cell has ... | Nucleus, Cytoplasm, cell membrane. |
| Plant cell has ... | Nucleus, Cytoplasm, Cell membrane, cell wall, vacuole, chlorplasts. |
| Nucleus. | controls activity inside the cell. |
| cytoplasm. | cells chemical reactions happen here. |
| Cell membrane. | holds the cytoplasm together and controls what comes in and out. |
| Cell wall. | keeps the cells shape. |
| Vacuole. | cell sap (a solution of water, salts and sugars. |
| Chloroplasts. | Photosynthesis to make food |
| Biological community. | all the living things in an area feeding off one another. |
| Niche | where animals get their food. |
| ecosystems. | a biological community of interacting organisms and their physical environment. |
| population | a particular section, group or type of people or animals living in an area or country. |
| Species. | a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. |
| Decomposers. | An organism that decomposes eg: soil, bacterium, fungus or invertebrate. |
| Habitat. | The natural home or environment of an animal, plant or other organism. |
| plants are ... | producers |
| animals are ... | consumers |
| liquid to gas | boiling |
| gas to liquid | condensation |
| liquid to solid | freezing |
| solid to liquid | melting |
| solid to gas | sublimation |
| gas to solid | reverse sublimation |
| liquid to solid | solidifying |
| diffusion | mixing of two or more substances with out stiring |
| compression | when particles move closer together without changing state. |
| expansion | when particles move further apart without changing state. |
| mixture | is made up of different particles that are not bonded together. |
| water from sea water | water boils at 100 degrees nothing else does , distillation |
| Iron fillings from powder. | Iron is magnetic powder is not, magnet. |
| Hg | Mercury |
| Mud from muddy water. | Mud is denser, centrifuge. |
| compound : carbon dioxide. | carbon and oxygen |
| Compound : magnesium chloride. | Magnesium and chlorine. |
| Compound :nitrogen dioxide. | Nitrogen and oxygen. |
| Properties of metals. | Shiney, conducts heat, ductile (can be made into wire), solid at room temp (except for Hg), grey (except for Au,Cu) |
| How many atoms : 2CuSO4 | 2 x 6 = 12 |
| 6Fe(NO3)3,7H20 | = 204 |
| to test hydrogen ... | light a math and put it where the hydrogen is and it will make a pop noise. |
| To test oxygen ... | Oxygen will re-light a glowing splint. |
| To make CO2 ... | CaCO3(marble chips) + HCl (hydrochloric acid) = CaCl2 + CO2 + H2O |
| 1 atom = | an atom |
| 2 or more atoms joined together = | molecule. |
| acid + metal = | Hydrogen. |
| Acid + Carbonate (marble chips) = | carbon dioxide ,CO2 |
| To test carbon dioxide ... | the lime water will go milky. |
| O = ate anything else = ide | G |
| Energy is the ability to do work ... the equation is ... | Work = force x distance. |
| Energy is measured in ... | Joules ( J ) |
| Energy can not be made or destroyed ... | It can only be changer from one form to another. |
| Active energy = | kinetic, heat, light, sound , eletrical. |
| Potential energy = | chemical (foods, explosions, fuel and batteries), gravitational, nuclear, elastic. |
| Petrol can falling to the ground is ... | Active energy. |
| Ball rolling down a slope ... | Active energy. |
| A hamburger sitting on a plate ... | Potential energy. |
| objects that feel cold at room temperature are ... | Good conductors. |
| Metals are really good conductors of heat because ... | They have a free electron to carry the heat. |
| Convection ... | Is when Warm air or water rises because it is less dense and cold air or water sinks because it is more dense. |
| Conduction is ... | When the hot particles start to vibrate really fast and they bang into the colder particles making them hot as well. |
| Radiant energy is ... | A type of heat transfer that doesn't require particles. |
| frequency is ... | How many waves per second. |
| Amplitude is ... | How high the wave is. |
| Pitch ... | High, medium or low. |
| A comet is ... | Ice and rock jammed together with a tail when it gets close to the sun. |
| meteor. | A rock that has his the earths atmosphere and burned up. |
| Meteorite. | Is a meteor that has hit the ground. |
| Astroid. | A space rock |
| The order of the planets are ... | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. |
| cancer star constellation is in the ... | South. |
| The capricorn constellation is in the ... | North. |
| A Producer is a ... | Plant, Example ; things eat it but it doesn't eat anything, animal wise. |
| A omniver is ... | Something that eats Plants and animals. |
| A herbivore is ... | Something that only eats plants. |
| A spring tide is when ... | The sun and moon are on opposite sides of the earth, their gravitational pull pulls the water making it bulge in some places (high tide) |
| A neap tide is when ... | Is when the sun and moon form a 'L' shape around the earth which creates a smaller bulge. |
| A year is when ... | The earth has orbited the sun once. |
| A month is when ... | The moon has orbited the earth once. |
| A day is when ... | THe earth has done one full rotation on it's axis. |
| A Solar eclipse is when ... | The moon blocks out the sun from some of the earths view. |
| A lunar eclipse is when ... | The sun and moon are posite each other and the moon passes into the earths shadow. |
| An equinox is ... | 21st March (autumn) and 21st September(spring) where there is a 12 hour night and a 12 hour day. |
| A solstice is ... | 21st June = shortest day. 21st December = longest day. |
| A tide is caused by ... | The gravitational pull of the moon and the sun, rotation of the earth and the orbit of the moon. |
| Full moon is when ... | We can see all of the moon. |
| New moon is when ... | We can't see any of the moon. |
| A first quarter moon is when... | Half of the moon is illuminated but because it is a sphere we can only see the first quarter. |
| A last quarter moon is when ... | Half of the moon is illuminated but because it is a sphere we can only see the last quarter. |
| A crescent moon is when ... | Most of the moon is covered and we can only see a crescent illuminated. |
| A gibbous moon is when ... | Most of the moon is illuminated but not quite all of it. |
| Waxing = | Getting bigger |
| Wanning = | Getting smaller |
| Solute = | Solid , the thing you are dissolving. |
| Solvent = | Liquid |
| Solution = | Everything combined. |
| Saturated = | When you can't add anymore of the solute into the solution. |
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