ashley elliott
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| what are the 4 possible effects of friction on objects? | generate heat, slow down, stop, and not move at all
🗑
|
||||
| why does a soccer ball slow down when it rolls? | friction
🗑
|
||||
| friction is_________ between rough surfaces than between smooth surfaces | greater
🗑
|
||||
| the force of attraction between two objects is called _________. | gravity
🗑
|
||||
| gravity causes falling objects to __________. | speed up
🗑
|
||||
| what two things does the strength of gravitational force depend on? | the mass and the distance between objects
🗑
|
||||
| gravitational force is stronger when objects are________ to each other. | closer
🗑
|
||||
| gravitational force is stronger when objects have ______mass. | more
🗑
|
||||
| why does a person weigh more on earth than on the moon? | earth has a greater mass than the moon
🗑
|
||||
| what attracts objects to a magnet? | the magnetic force in the magnetic field surrounding the magnet
🗑
|
||||
| what are the two ends of a magnet called? | poles
🗑
|
||||
| describe how a compass can help you find direction? | a compass is a magnet. Its north pole {needles} always points down to the north
🗑
|
||||
| what two forces act equally on a object but in opposite directions, the object__________ ___________. | dosent move
🗑
|
||||
| when you add the total of all the forces acting on an object, you get the_____ _____. | net force
🗑
|
||||
| the force if water pushing up on an object is called the __________. | buoyant force
🗑
|
||||
| when you go down a slide, what force is acting on you to make you move? | gravity
🗑
|
||||
| when you go down a slide, what force is acting on you to make you move? | gravity
🗑
|
||||
| what force is acting to slow you down on a slide? | friction
🗑
|
||||
| when the force if gravity ids equal to the force of friction, why will happen? | the object will stop moving
🗑
|
||||
| what is the difference between balanced and unbalanced forces? | unbalanced forces causes motion.
balanced forces does not cause things to move.
🗑
|
||||
| what affects how an object moves? | net force
🗑
|
||||
| what is the net force when forces are balanced? | zero
🗑
|
||||
| what force pushes up on you in water? | buoyant force
🗑
|
||||
| a buoyant force acts in ___________ from weight? | opposite
🗑
|
||||
| what is weight? | measure of the gravity pulling down on you
🗑
|
||||
| what will happen if the buoyant force is equal to or greater than the weight of the water you push aside? | you will float
🗑
|
||||
| what will happen the buoyant force is lass than the weight of water you push aside? | you will sink
🗑
|
||||
| what means using a force to move an object? | work
🗑
|
||||
| if a force is applied and an object does not move, is work being done? | no
🗑
|
||||
| what is anything that makes work easier? | simple machine
🗑
|
||||
| what are the 2 parts of a lever and what do they do? | arm-bar that you move
fulcrum-is the balance point that stays still
🗑
|
||||
| give an example of a lever. | hammer
🗑
|
||||
| give an example of an inclined plane. | stairs
🗑
|
||||
| what is made of two or more simple machines? | compound machine
🗑
|
||||
| how do compound machines help make work easier? | less force on a greater distance
🗑
|
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
clakid
Popular Science sets