1st semester vocab
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 the big bang? | Everything was created from a point is space.
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| What is the Doppler affect? | The red shift and blue shift.
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| What is a comet? | A comet is a ball of ice with a tail shooting through space.
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| What is the name of our universe? | The solar system.
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| What is in the milky way? | Alot of stars clumped up together.
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| How do u find density? | Calculate the mass and volume of the object divide them and you have density. D=M/V
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| What is a gradulated cylinder used for? | Measuring liquids and finding volume.
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| What should you do when you are done with a lab? | clean up.
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| What do you do before a lab? | listen to the teacher and don't touch the equipment?
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| Can you eat during a lab? | No
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| What is a chemical change? | A change in what it was to something different.
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| What is a physical change? | A change in appearance.
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| What is the charge of an electron? | Negative
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| What is the charge of a proton? | Positive
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| What is the charge of a neutron? | No charge or neutral.
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| What is a balanced force? | When 2 forces are equal.
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| What is an unbalanced force? | When 2 forces are not equal.
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| What is newtons first law? | If an object experiences no net force, then its velocity is constant: the object is either at rest (if its velocity is zero), or it moves in a straight line with constant speed (if its velocity is nonzero).
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| What is newtons second law? | The acceleration a of a body is parallel and directly proportional to the net force F acting on the body, is in the direction of the net force, and is inversely proportional to the mass m of the body, i.e., F = ma.
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| What is newtons third law? | When a first body exerts a force F1 on a second body, the second body simultaneously exerts a force F2 = −F1 on the first body. This means that F1 and F2 are equal in magnitude and opposite in direction.
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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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