Use these to help you prepare for the final exam on 6/12/13
Help!
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| What instrument would you use to measure an irregularly shaped solid? | graduated cylinder
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| What is an inference? | a guess or prediction based on data
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| What do we call an orderly process used to solve problems and investigate the world? | scientific method
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| What is an observation | something you use five senses for
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| Compared to water, ice cubes are ______ dense. | less dense
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| What tools do you need to find the density of a plastic block? | ruler and triple beam balance
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| If something sinks to the bottom of a beaker of water, than the density must be | more than 1/gcm3
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| Give an 2 examples of a physical change | melting ice, burning wood
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| What charge does a proton have? | positive
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| What are the properties of the shape and volume of a gas? | No definite shape or volume
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| What are the properties of the shape of a liquid? | no definite shape
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| What is the property of the shape of a solid? | a definite shape
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| What elements are solid and shiny at room temparature? | metals
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| Most of the elements in the periodic table are... | metals
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| Give a chemical change of water? | changing to hydrogen peroxide
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| When LIKE poles are brought close together, what will happen to the magnets? | they will repel each other
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| The ends of magnets are called ________. | poles
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| Electricity is the movement of _______. | electrons
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| The path that transfers energy is called a ______. | circuit
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| Wire is often covered in plastic to prevent electric shock. Why? | Plastic does not conduct electricity
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| An electron has a _________ charge. | negative
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| Most energy in the US is from __________. | fossil fuels
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| What formed fossil fuels? | remains of dead plants and animals from millions
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| Name a nonrenewable resource. | natural gas
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| If two OPPOSITE poles are put near each other, the magnets will ______. | attract
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| What types of objects are attracted to magnets? | metals
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| What is closely related to magnetism? | Electricity
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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