7.1 & 8 vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| a nonsolid state of matter in which the atoms or molecules are free to move past each other | fluid
🗑
|
||||
| the amount of force exerted per unit area of a surface | pressure
🗑
|
||||
| the SI unit of pressure | pascal
🗑
|
||||
| the pressure caused by the weight of the atmosphere | atmospheric pressure
🗑
|
||||
| the transfer of energy to an object by using a force that causes the object to move in the direction of the force | work
🗑
|
||||
| the unit used to express energy | joule
🗑
|
||||
| the unit used to express power | watt
🗑
|
||||
| the rate at which energy is transferred | power
🗑
|
||||
| a device that helps do work by eiether overcoming a force or changing the direction of the applied force | machine
🗑
|
||||
| the work done on a machine | work input
🗑
|
||||
| the work done by a machine | work output
🗑
|
||||
| a number that tells how many times a machine multiplies force | mechanical advantage
🗑
|
||||
| a quantity, usually expressed by a percentage, that measures the ratie of work output by work input | mechanical effciency
🗑
|
||||
| a simple machine that consists of a bar that pivots at a fixed point called a fulcrum | lever
🗑
|
||||
| simple machine that consists of two circular objects at different sizes | wheel & axle
🗑
|
||||
| a simple machine that consists of a wheel over which a rope, chain, or wire passes | pulley
🗑
|
||||
| a simple machine that is a straight, slated surface, which facilitates the raising of loads | inclined plane
🗑
|
||||
| a simple machine that is made up of two inclined planes an that moves; often used for cutting | wedge
🗑
|
||||
| a simple machine that consists of an inclined plane wrapped around a cylinder | screw
🗑
|
||||
| a machine made of more than one simple machine | compound machine
🗑
|
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:
kfran0112
Popular Science sets