Energy

Question 1

Law of Conservation of energy

Answer 1

Energy can not be created nor destroyed only changed in form

Question 2

Energy

Answer 2

Ability to cause change in temperature, shape, speed or direction of an object

Question 3

Kinetic Energy

Answer 3

Energy from objects in motion depends on the mass and speed of an object

Question 4

voltage

Answer 4

measure of how difficult it is for electrons to flow through a material.

Question 5

joule

Answer 5

Measure of the capacity to do work or generate heat

Question 6

parallel circuit

Answer 6

multiple branches for electricity to flow

Question 7

ohms law

Answer 7

Voltage = current x resistance

Question 8

Electrodes

Answer 8

Good conductor of electricity that usually, connects non-metals circuit

Question 9

Series Circuit

Answer 9

Only 1 path for the electric Current to follow

Question 10

Energy Transformation

Answer 10

The change of energy from one form to another

Question 11

Electricity

Answer 11

The form of energy resulting from the existence of charged particles

Question 12

Transformers

Answer 12

Device that transfers some electric energy from one current to another

Question 13

Alternating Current

Answer 13

The value of the quantity and direction of the current is not constant. It changes at a regular interval

Question 14

Semiconductors

Answer 14

It conducts sometimes but not others

Question 15

Resistance

Answer 15

The measure of how difficult it is for electrons to flow through a material

Question 16

Catalyst

Answer 16

Substance that changes the rate of a chemical reaction.

Question 17

Electric Current

Answer 17

the steady flow of electrons through a conductor. Electric Current is measured in unit of ampres

Question 18

Ions

Answer 18

an atom or molecule with a net electric charge

Question 19

Direct Current

Answer 19

Electric Current that flows consistently in one direction

Question 20

current

Answer 20

The rate of flow of negative charges in an electric current

Question 21

Battery

Answer 21

A device that stores chemical energy and converts it to electrical energy

Question 22

Potential Energy

Answer 22

Energy that comes from position or condition

Question 23

Conductors

Answer 23

materials that allow thermal energy to be easily transferred

Question 24

Watts

Answer 24

Unit of power measuring electric flow

Question 25

Circuit

Question 26

Insulators

Answer 26

Material where electrons can’t move easily from place to place - ex) plastic, wood, glass, and rubber

Question 27

Power

Answer 27

The rate at which energy is transferred by a circuit

Question 28

Difference between parallel circuit and series circuit? + drawing

Answer 28

parallel circuit has more than one branch for electricity to flow through

series circuit only has one branch for electricity to flow through.

Question 29

Difference between endo thermic and expo thermic + example