Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

Employing Technology

simple machines it makes work and life easier to accomplish.
gear a wheel with teeth running around its circumference.
pulley a chain, belt or rope wrapped around a wheel to lift heavy objects
inclined plane a slanted surface used to raise an object
screw an inclined plane wrapped around a cylinder to form a spiral.
wedge an inclined plane that moves; it can be any thing that splits, cuts or divides any object including air and water.
lever a rigid bar that rotates around a fixed point called a fulcrum.
wheel and axle a lever that rotates in a circle around a center point or fulcrum
power source batteries, Ac power, compressed air.
coding tell a computer what you want it to do, which involves typing in step by step commands for the computer to follow.
program a set of instructions that tell the computer what to do...Each instruction is an action to be performed.
actuators bits that move;such as motors in the wheels or engines that make the arms go back and forth
Engineering a profession that combines science, mathematics, and technology to solve practical problems.
Invention the creation of a brand new product or device; man made products, devices, and systems.
Engineering Design Process A series of steps used to assist in designing and developing new products, devices, and systems.
Innovation an improvement to an already existing product or device.
Robot a machine capable of carrying out a complex series of actions automatically, especially one programmable by a computer.
Light sensor A device that detects the amount of light in the vicinity.
Sound sensor A device, instrument, transducer, or object which senses sound.
Touch sensor A device that detects objects through physical contact with them. These sensors may be used by robots, for example, to determine the location, identity, and orientation of parts to be assembled.
Ultrasonic sensor generate high-frequency sound waves and evaluate the echo which is received back by the sensor, measuring the time interval between sending the signal and receiving the echo to determine the distance to an object.
Facilitator is someone who engages in the activity of facilitation. They help a group of people understand their common objectives and assists them to plan how to achieve these objectives;
Recorder a person who keeps record.
Reporter a person who reports, especially one employed to report news or conduct interviews for newspapers or broadcasts.
Timekeeper a person who measures or records the amount of time taken, especially in a sports competition.
Created by: rudolph.beukes
Popular Earth Science sets




Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards