8th grade review for science exam in 2016 fall
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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| What is mass? | The amount of matter in an object
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| What is volume? | The amount of space an object fills
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| What is density? | The amount of matter in a given volume
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| What do elements in the same group have in common? | # of valence electrons
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| What do elements in the same period have in common? | # of electron shells
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| What charge does a proton have? | Positive
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| What charge does a neutron have? | None/neutral
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| What charge does an electron have? | Negative
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| What are the large numbers in chemical equations called? | Coefficients
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| What do the large numbers represent? | Molecules
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| What are the small numbers in chemical equations called? | Subscripts
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| What do the small numbers represent? | Atoms
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| What is an element molecule? | A molecule composed of only one element
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| What is a compound molecule? | A molecule made of more than one element
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| What is a chemical change? | A change in which a chemical reaction takes place
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| What are the five evidences of a chemical reaction? | Solid precipitate forms, temperature change, bubbles/gas, unexpected color change, odor produced
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| What is the Law of Conservation of Mass? | Matter cannot be created or destroyed only transferred
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| What is an observation? | Information gained using the five senses
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| What is an inference? | What you think based on your observations
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| What is a hypothesis? | You prediction for what will happen next using observations and inferences
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| What type of statement do you use when making a hypothesis? | If this... then that.
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| What is the formula for speed? | Distance divided by time
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| What is the formula for force? | Mass times acceleration
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| What is Newton's first law? | Law of Inertia
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| What is Newton's second law? | Law of acceleration
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| What is Newton's third law? | Law of action and reaction
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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.
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.
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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Created by:
shelbycolvin
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