Intro To Phys Science And Atomic Structure

Question 1

Define matter

Answer 1

Anything with mass and takes up space

Made of particles too small to see

Question 2

What are two types of properties of matter

Answer 2

Physical and chemical

Question 3

5examples of physical properties

Answer 3

State of matter
Mass
Volume
Density
Color

Question 4

5ways you know if a chemical reaction has occurred

Answer 4

.Production of odor
Change in temp
Change in color
Bubbles form
Formation of solid

Question 5

4 states of matter

Answer 5

Plasma
Solid
Liquid
Gas

Question 6

Which states are fluids

Answer 6

Liquid, gas and plasma

Question 7

Define solid

Answer 7

Definite shape and volume

Question 8

Define liquid

Answer 8

Definite volume but not shape

Question 9

Define gas

Answer 9

No volume or shape

Question 10

Define plasma

Answer 10

Not a common state on earth all electrons are striped

Question 11

Define phase change

Answer 11

Physical change between states changing temp or pressure

Question 12

Solid into a liquid

Answer 12

Melting

Question 13

Liquid to a solid

Answer 13

Freezing

Question 14

Liquid to a gas

Answer 14

Evaporation

Question 15

Solid to gas what is the phase change?

Answer 15

Sublimation

Question 16

What happens to speed of atoms when heated

Answer 16

Go faster

Question 17

What happens to speed of atoms when cooled or heat escapes

Answer 17

Slow down

Question 18

Water droplets on mirror from hot shower

Answer 18

Condensation

Question 19

Steam above a hot pot of pasta

Answer 19

Evaporation

Question 20

Bubbles on bottom of hot pot of water

Answer 20

Evaporation

Question 21

Snowman to puddle

Answer 21

Melting

Question 22

Fog from dry ice

Answer 22

Sublimation

Question 23

Popsicles from koolaid

Answer 23

Freezing

Question 24

Frost on windshield

Answer 24

Deposition

Question 25

What happens to particles during freezing process

Answer 25

Lose energy

Question 26

What is the process that forms fog

Answer 26

Sublimation

Question 27

Process by which gas particles slow down and change to liquid

Answer 27

Condensation

Question 28

What kind of reaction is it when vinegar is mixed with a substance and it bubbles

Answer 28

Chemical

Question 29

If a solid is formed when two liquids are mixed, what kind of reaction has taken place

Answer 29

Chemical

Question 30

What is it called when. Liquid enters a gaseous state

Answer 30

Boiling point

Question 31

Three parts of an atom

Answer 31

Proton
Neutron
Electron

Question 32

Proton charge?

Answer 32

Positive

Question 33

Neutron charge

Answer 33

No charge

Question 34

Electron charge

Answer 34

Negative

Question 35

Where are protons located

Answer 35

Nucleus

Question 36

Where are electrons located

Answer 36

Orbiting around the nucleus

Question 37

Where are neutrons located

Answer 37

Nucleus

Question 38

Difference between atoms and elements?

Answer 38

Atom is the basic particle from which all elements are made

an element is a pure substance that can be identified by physical and chemical properties

Question 39

How do atoms and molecules differ?

Answer 39

Atom is most basic particle

Molecules are a group of two or more atoms held together by a bond

Question 40

Two particles with the same mass?

Answer 40

Neutrons and protons

Question 41

Why aren’t electrons included in atomic mass

Answer 41

Too small

Question 42

How many known elements?

Answer 42

118

Question 43

Explain the origin of elements

Answer 43

They formed from stars

Either in their centers or during a supernova explosion

Question 44

How do scientists figure out what is inside an atom of they can’t see it?

Answer 44

Indirect methods, probe them to figure out what’s inside

Question 45

Define physical science

Answer 45

Study of matter, energy and changes