science
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 an ion? | An atom which loses or gains electrons
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| What happens during ionic bonding? | The electrons are transferred
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| What is the formula of acceleration? | acceleration= change in velocity/ time taken
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| What is the formula of distance traveled? | distance traveled= average speed (times) time
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| What is the formula for momentum? | momentum= mass (times) velocity
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| what is the formula for kinetic energy? | kinetic energy= mass (times) 1/2 (times) speed2
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| What are the 3 components of an atom? | 1) Protons 3) Neutrons
2) Electrons
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| What are atoms features? | An atom is a tiny particle/molecule which contains protons, electrons and neutrons.
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| What are isotopes? | Atoms with the same atomic number(same number of protons and electrons) but different mass numbers.(two atoms with the same number of protons but differnt number of neutrons.)
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| What is the formula of efficiency? | Efficiency= useful energy transferred by the device/ total energy supplied to the device.
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| What is the formula of force? | force= mass (times) acceleration
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| What is the difference between mas and weight? | Mass is a measure of how much stuff is in an object(KG). Weight is a force acting on that stuff(N).
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| What is the formula of density? | density= mass/ volume
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| What 3 things do only an animal cell have and not a plant cell | 1) chloroplast 3) vacuole
2)cell wall
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| What is the formula of magnification? | magnification= objective lens (time) eye piece lens
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| What is the formula of actual size? | actual size= measured size/ magnification
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| What are Prokaryotic cells? | these cells don't have any nucleus and this is a bacterial cell because they have a single- celled organism
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| What are Eukaryotic cells | these cells have a nucleus and is found in plants and animal cells
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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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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:
Qaseema120403
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