Thursday, March 1, 2012

4th Grade Science Test: Technology


4th Grade Science Test: Technology

Free 4th Grade Science Test
  Technology          Name:
 

Instructions: Choose the best answer for each test question.
1.                   a set of instructions for a computer to follow so that it can do certain things.
 program
 computer
 word processor
 broadband
2.                   a person who writes programs for a computer.
 laboratory
 electronics
 programmer
 keyboard
3.                   a device for storing information on a computer's hard disk. A __________ can be built into a computer or can sit outside the computer and be connected to it by a cable.
 electronics
 hard drive
 telescope
 wireless
4.                   facts, figures, or other pieces of information that can be used in different ways.
 Internet
 programmer
 broadband
 data
5.                   of, pertaining to, or using a type of high-speed data transmission that allows signals at different frequencies, such as audio and video, to be transmitted simultaneously along a single wire.
 microscope
 broadband
 keyboard
 word processor
6.                   an instrument that uses lenses and sometimes mirrors to make distant objects appear larger.
 computer science
 e-mail
 word processor
 telescope
7.                   an instrument that uses a lens to make very small objects larger so that they can be seen by the eye.
 laboratory
 microscope
 program
 hardware
8.                   a location on the World Wide Web. A __________ contains a home page and other pages that are linked to the home page.
 alternating current
 keyboard
 website
 data
9.                   an electric current that flows in one direction.
 e-mail
 wireless
 direct current
 laboratory
10.                products that are developed using knowledge from science and industry.
 wireless
 technology
 alternating current
 Internet
11.                a place used for scientific experiments.
 electronics
 technology
 hard drive
 laboratory
12.                the science and study of computers, including how they are made and how they work.
 technology
 computer science
 wireless
 programmer
13.                (usually spelled as one word) software or hardware that prevents unauthorized access to a computer or local area network from an outside network such as the Internet.
 technology
 wireless
 fire wall
 microscope
14.                a row or rows of keys on a machine or instrument.
 keyboard
 technology
 hardware
 alternating current
15.                an electronic machine that is used to store, sort, and work with information at a high speed.
 computer
 technology
 wireless
 e-mail
16.                a telephone or computer that works without wires.
 microscope
 data
 wireless
 computer
17.                electrical current that reverses direction at regular intervals. (Cf. direct current.)
 hardware
 program
 alternating current
 computer science
18.                (used with a singular verb) the science that is concerned with the flow of electrons and their uses.
 hard drive
 electronics
 keyboard
 fire wall
19.                computer parts and equipment. Computer __________ includes all the parts of a computer that make it work, except for the programs.
 fire wall
 technology
 laboratory
 hardware
20.                a computer or a computer program used to write, change, print, and save text.
 website
 technology
 word processor
 laboratory
21.                the world's largest computer network, which is made of millions of computers that are linked together. Some parts of the __________ are the World Wide Web and e-mail.
 computer
 electronics
 laboratory
 Internet
22.                to send a message or image by computer.
 keyboard
 e-mail
 website
 technology
23.                a message that you write and send from one computer to another; electronic mail.
 direct current
 computer
 e-mail
 microscope
24.                a field of knowledge having to do with the use of science and industry to help solve common problems of life.
 microscope
 computer
 technology
 broadband

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