Chem ch 1&2

Question 1

Malleability

Answer 1

How easily a material can be hammered into shapes

Question 2

Ductility

Answer 2

Describes how easily materials can be drawn into thin wires

Question 3

Conductivity

Answer 3

Ability of a material to transfer heat or electricity between its particles

Question 4

Physical change

Answer 4

Change in physical properties
Substance remains the same
Start with A end with A

Question 5

Chemical change

Answer 5

composition of a subject is changed

Question 6

Ex of potential energy

Answer 6

a rock at the top of a hill has greater potential energy than a rock at the bottom of a hill

Question 7

Kinetic energy

Answer 7

Particles of matter are in constant motion

Question 8

Endothermic

Answer 8

Absorbs energy from the surroundings

Question 9

Exothermic

Answer 9

Releases energy to the surroundings

Question 10

Control group

Answer 10

Variable that doesn’t change during an experiment

Question 11

Experimental group

Answer 11

Group that’s being experimented on

Question 12

Dependent variable

Answer 12

Variable that you measure or observe

Question 13

Independent variable

Answer 13

The one condition that you change in an experiment

Question 14

Ex of malleability

Answer 14

Clay can be easily molded into anything. Gold is very malleable can be shaped into jewelry easily

Question 15

Ex of ductility

Answer 15

Silver is ductile and silver metal is often used for ornaments

Question 16

Ex of conductivity

Answer 16

The metal part of your seatbelt getting hot after being in the sun for a while

Question 17

Ex of physical change

Answer 17

Water boiling or freezing

Question 18

Ex of chemical change

Answer 18

Baking a cake

Question 19

Ex of kinetic energy

Answer 19

A person running

Question 20

Ex of endothermic

Answer 20

A pan getting hot for cooking

Question 21

Ex of exothermic

Answer 21

A candle burning

Question 22

Potential energy

Answer 22

Energy that is stored in an object