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Quiz 1.4
Quiz 1.4 on Friday, September 6th 2019
| Question | Answer |
|---|---|
| What is a conductor? | a material that ALLOWS heat or electricity to pass through |
| What is an insulator? | a material that STOPS heat or electricity from passing through |
| Examples of insulators | oven mitts, wood, glass, plastic |
| Examples of conductors | gold, copper, aluminum, steel, ALL METALS are conductors |
| What are the properties of a liquid? | can flow, indefinite shape, definite volume (cannot expand and cannot be compressed) |
| What are the properties of a solid? | definite shape, definite volume, cannot flow or expand |
| What are the properties of a gas? | can flow, indefinite shape, indefinite volume, can expand or be compressed |
| When do animals compete for food? | only when they eat the same thing |
| What happens when a substance dissolves? | it breaks down into tiny pieces to small to see |
| If a liquid sinks it has _____________ density. | more |
| If a liquid floats it has _____________ density. | less |
| How many things can you change when setting up an experiment? | only one, all other things must be exactly the same |
| What is erosion? | when sediment MOVES from one spot to another |
| What is weathering? | when rocks BREAK down into tiny pieces of sediment |
| Which metals are attracted to magnets? | steel, iron, nickel, cobalt (SINC) |
| Examples of NON magnetic items - | aluminum, cotton, plastics, wood |
| What are balanced forces? | when the forces acting on either side of an object are equal |
| Soluble means - | CAN dissolve |
| How would you separate a mixture of rocks and water? | a strainer or sieve |
| How can you separate a solution? | use EVAPORATION; boil the solution until all the water evaporates, leaving the solids behind |
| How would you separate a mixture that contains magnetic pieces? | use a magnet to attract the magnetic pieces |
| What is the order of the planets from the Sun? | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune |
| Properties of a solution - | evenly mixed (all one color), something dissolves, must evaporate to separate |
| Properties of a simple mixture - | nothing dissolves, not evenly mixed, easy to separate |
Created by:
mrsnowlin
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