Final Exam

Question 1

What is Earth’s major external source of energy?

Answer 1

The sun

Question 2

What are 3 consequences for living things if our atmosphere did not exist?

Answer 2

1) Burned exposed skin
2) Extreme variation in temperature
3) Freeze at night

Question 3

Earth’s major external source of energy is the sun, which is powered by ______ ______

Answer 3

Nuclear Fusion

Question 4

The sun’s energy is used by 1)______, which drives the 2)_______, and 3)_____ the atmosphere.

Answer 4

1) _growing plants_____ 2)_hydrologic cycle______

3) warms

Question 5

draw the order of the electromagnetic spectrum

Answer 5

Raging Martians Invaded Venus Using X-ray Guns

Question 6

ionizing only happens on which side of the spectrum?

Answer 6

High side

Question 7

How is infrared radiation absorbed into the atmosphere?

Answer 7

infrared radiation is absorbed by Co2

Question 8

What are the 4 properties of matter?

Answer 8

c

Question 9

What is the difference between a physical property vs a chemical property?

Answer 9

c

Question 10

What are the 6 signs that a chemical change has occurred ?

Answer 10

If there is a change in color, scent, flame is present, heat, precipitate , and bubbles are present.

Question 11

which properties of metals do metalloids have?

Answer 11

Luster and Conductivity

Question 12

what are the 4 properties of metals

Answer 12

malleability, conductivity, luster, and ductility

Question 13

Properties of metalloids and metals shared

Answer 13

Conductivity, and luster

Question 14

properties of metals and nonmetals comparison

Answer 14

Metals Nonmetals

Strong Weak
good conductors of Not good conductors of heat and electricity
heat and electricity
good luster, have high density not lustrous

Question 15

Mendeleev was the father of the periodic table and arranged the elements in __________order

Answer 15

Atomic mass

Question 16

The largest and smallest region of the periodic table

Answer 16

Metals

metalloids

Question 17

What are the differences between ores , rocks, and minerals

Answer 17

• a rock is a bunch of minerals
• a mineral is composed of substances/ chemicals
• an ore is made up of a rock like substance containing metals.

Question 18

A measure of how much matter is in an object

is the definition of Density, Mass, ductility or weight?

Answer 18

Mass

Question 19

the weight of an object is usually taken to be the force on the object due to gravity is density, mass, ductility or weight?

Answer 19

Weight

Question 20

What is density?

Answer 20

Density is a characteristic property of a substance.
The density of a substance is the relationship between the mass of the substance and how much space it takes up (volume).
The mass of atoms, their size, and how they are arranged determine the density of a substance.
Density equals the mass of the substance divided by its volume; D = m/v.
Objects with the same volume but different mass have different densities.