Forces for 2015 yearly exam
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 a force? | A pull, push or twist.
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| What does force change? | the speed, direction or shape of an object.
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| what are 2 contact forces? | buoyancy and friction.
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| What are 3 non-contact forces? | Gravity, magnetic and electrostatic.
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| What is an unbalanced force? | a force where one force is greater than the other.
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| what is friction? | The force between two sliding objects that slows them down.
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| What is gravity? | a force that acts between any two objects.
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| What effects the size and strength of the magnetic field? | The mass of the object.
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| What is mass? | the measurement of how much of a substance there is.
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| What is mass measured in? | Kg
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| What is weight? | The measurement of the gravitational force pulling you down.
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| What is weight measured on? | Neutrons/ N
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| What can pull an object without touching it? | magnets
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| What do all magnets have? | A north and south pole.
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| What poles of the magnets attract? | Opposites.
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| What are the three metals that are attracted to magnets? | Cobalt, nickel and iron.
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| What is the magnetic field? | the area around the magnet where the magnetic force acts.
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| How are the particles that flow through the circuit charged? | negatively
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| What is an electromagnet? | A magnet that can be turned on or off with a switch.
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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:
emmadixon
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