Science and History Chapter 6 quiz

Question 1

device that converts energy from a natural source into useful work

Answer 1

engine

Question 2

a push or a pull

Answer 2

force

Question 3

which force is the weakest

Answer 3

gravity

Question 4

the force of attraction that exists between any pair of objects

Answer 4

Gravity

Question 5

anything that takes up space and has mass

Answer 5

matter

Question 6

the measure of the gravitational force existing between the earth and a particular object

Answer 6

weight

Question 7

a force that occurs when one object pushes against another object

Answer 7

contact force

Question 8

the force that resists motion

Answer 8

friction

Question 9

causes electrically charged objects either to attract or repel each other

Answer 9

electric force

Question 10

pieces of naturally magnetized iron ore (compass)

Answer 10

lodestones

Question 11

like poles repel, but opposite poles attract

Answer 11

magnetic forces

Question 12

the result of a force moving an object

Answer 12

work

Question 13

the ability to do work

Answer 13

energy

Question 14

energy we can see

Answer 14

light energy

Question 15

energy we can feel

Answer 15

heat energy

Question 16

released when atoms are either split apart or joined together

Answer 16

atomic energy

Question 17

stored in the bonds that hold molecules and chemical compounds together

Answer 17

chemical energy

Question 18

found in things like lightning bolts and the power lines that bring electricity to your home

Answer 18

electrical energy

Question 19

energy of motion

Answer 19

kinetic energy

Question 20

stored energy

Answer 20

potential energy

Question 21

when one object gives some or all of its energy to another object

Answer 21

transfer of energy

Question 22

revolutionized the textile industry

Answer 22

flying shuttle, spinning jenny, water frame, power loom

Question 23

can flow from one place to another

Answer 23

fluids

Question 24

the tendency of gases to float away and spread themselves out thinly in their surroundings

Answer 24

diffusion

Question 25

the temperature at which a substance changes from a solid into a liquid is called

Answer 25

melting point

Question 26

a substance changes from a liquid to a gas

Answer 26

boiling point

Question 27

a substance changes from a gas into a liquid

Answer 27

condensation point

Question 28

shape with six sides

Answer 28

hexagon

Question 29

a disk that moves back and forth

Answer 29

piston

Question 30

Scottish instrument maker patented his own improved version of the steam engine

Answer 30

James Watt

Question 31

another name for burning

Answer 31

combustion

Question 32

fuel is burned in the engine

Answer 32

internal-combustion engine

Question 33

fuel burned on the outside of the engine

Answer 33

external-combustion engine

Question 34

flew the first powered airplane

Answer 34

Wilber and Orville Wright

Question 35

oxygen rich compounds

Answer 35

oxidants