Laura Cardona made this :) 5/18/15
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Define mass | the amount of matter in an object
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| Define weight | the amount of gravitational pull on an object.
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| Define density | how compact something is; compactness
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| What is the density of water? | 1
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| What is the density of oil? | 0.8, less than 1
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| If you need to dissolve 5g of sugar in water, how could you increase the speed at which it dissolves? | Stirring it which increases the temperature/ heats it up causing it to dissolve faster.
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| What factors lead to why you would use a model instead of doing an experiment? | too big, too small, too fast, too slow, too dangerous
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| For any given experiment, how would you improve the accuracy? | repeat it
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| Is the following a chemical or physical property: flammable | chemical property
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| Is the following a chemical or physical property: blue color | physical property
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| Is the following a chemical or physical property: reacts with acid | chemical property
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| Is the following a chemical or physical property: can rust | chemical property
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| Is the following a chemical or physical property: can melt | physical property
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| How do the particles move in a solid? | vibrating
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| How do the particles move in a liquid? | free to move, takes shape of where it is being contained: moves faster than a solid.
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| How many atoms are in a sugar molecule: C₆H₁₂O₆? | 24 atoms
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| Write a procedure to separate sand, sawdust, iron filings, salt, and styrofoam? | iron filings: magnetic, styrofoam: balloon rubbed on head, sawdust: fill with water and sawdust will float to the top, water will then evaporate so you have to filter out the sand.
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| What is the law of conservation of mass? | Mass cannot be created or destroyed, it can only change forms.
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| How are kinetic and potential energy related when moving from point A to point B on a roller coaster? | when moving from point A to point B, potential energy decreases as the kinetic energy increases.
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| What slows down pendulums and roller coasters? | friction
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| Name 4 different types of waves: | ocean, light, sound, seismic
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| What is the frequency of a wave? | how often it vibrates
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| What is the relationship between pitch and frequency? | Pitch and frequency mean the same thing except one is used in music (pitch) and the other is used in science (frequency)
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| Describe absorption | the wave/energy is pulled/put in. (absorbed)
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| Describe reflection | waves are bounced back
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| Describe refraction | waves are bent
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| What is a terrestrial planet's composition? | it is rocky
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| What is a jovian planet's composition? | made of gas
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| Why do we have phases of the moon? | half of the moon is always lit up, but because it orbits the earth, our perspective of the lit half changes.
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| What makes a planet habitable? | liquid water
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| How do we find new planets in our galaxy? | We look at the light coming from a star, if it decreases, a planet has gone in front of it.
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| Why do we have seasons? | The earth is tilted as it revolves around the sun causing the length of day to change. The tilt means the 2 hemispheres get different amounts of sunlight resulting in longer/shorter days. A longer day means a warmer season.
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| List in order by size(smallest to largest): galaxy, star, planet, atom, solar system, molecule, mineral, universe, rock, moon. | atom, molecule, mineral, rock, moon, planet, star, solar system, galaxy, universe.
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| Why does the moon have more craters than earth? | earth has an atmosphere, erosion, and is mostly water
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| On a clear, beautiful, sunny day, how do you know bad weather is on the way? | pressure drops
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| Name a non renewable resource: | gas, coal, oil, etc
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| Name a renewable resource: | hydro, solar, wind nuclear, geo thermal
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| How do humans positively affect ecosystems? | give plants plenty or CO2.
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| What is the equation for photosynthesis? | CO2 + H20 +light->O2 + sugar
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| What is the equation for cellular respiration? | sugar + O2 ->CO2 +H2O +ATP
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| Can a colorblind female have a color blind son with a husband that is not color blind? | Yes any son born has a 100% chance of being colorblind
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| Is colorblindness dominant or recessive? | Recessive because you can carry it without having it.
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| Where is the information for a human stored? | DNA
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| Name 2 communicable diseases | ebola, AIDs
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| Name 2 non-communicable diseases | cancer, colorblindness
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| What is the function of decomposers in an ecosystem? | breakdown dead stuff into useful form (soil).
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| How do the orbits of asteroids and comets differ? | Asteroids orbit closer and circular, Comets orbit further away and in an elliptical orbit.
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| What happens to the polar ice caps on Mars when they disappear? | CO2 sublimates
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