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2013 Science Final
Use these to help you prepare for the final exam on 6/12/13
| Question | Answer |
|---|---|
| What instrument would you use to measure an irregularly shaped solid? | graduated cylinder |
| What is an inference? | a guess or prediction based on data |
| What do we call an orderly process used to solve problems and investigate the world? | scientific method |
| What is an observation | something you use five senses for |
| Compared to water, ice cubes are ______ dense. | less dense |
| What tools do you need to find the density of a plastic block? | ruler and triple beam balance |
| If something sinks to the bottom of a beaker of water, than the density must be | more than 1/gcm3 |
| Give an 2 examples of a physical change | melting ice, burning wood |
| What charge does a proton have? | positive |
| What are the properties of the shape and volume of a gas? | No definite shape or volume |
| What are the properties of the shape of a liquid? | no definite shape |
| What is the property of the shape of a solid? | a definite shape |
| What elements are solid and shiny at room temparature? | metals |
| Most of the elements in the periodic table are... | metals |
| Give a chemical change of water? | changing to hydrogen peroxide |
| When LIKE poles are brought close together, what will happen to the magnets? | they will repel each other |
| The ends of magnets are called ________. | poles |
| Electricity is the movement of _______. | electrons |
| The path that transfers energy is called a ______. | circuit |
| Wire is often covered in plastic to prevent electric shock. Why? | Plastic does not conduct electricity |
| An electron has a _________ charge. | negative |
| Most energy in the US is from __________. | fossil fuels |
| What formed fossil fuels? | remains of dead plants and animals from millions |
| Name a nonrenewable resource. | natural gas |
| If two OPPOSITE poles are put near each other, the magnets will ______. | attract |
| What types of objects are attracted to magnets? | metals |
| What is closely related to magnetism? | Electricity |
Created by:
missgibsonsclass
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