sci 2nd quarter reviewer

Question 1

is a theory that explains the states of matter and is based on the idea that matter is composed of tiny particles that are always in motion

Answer 1

kinetic molecular theory

Question 2

these particles hold kinetic energy.

Answer 2

kinetic molecular theory

Question 3

under kinetic molecular theory, in higher temperatures, the particles have more _____

Answer 3

energy

Question 4

under kinetic molecular theory, whereas in lower temperatures, the particles have less _____

Answer 4

energy

Question 5

the more _____ a particle has, the faster it’ll move

Answer 5

energy

Question 6

the more energy a particle has, the faster it’ll _____

Answer 6

move

Question 7

in solids such as _____, the particles barely move and hold a regular pattern because the energy is low and the particles are tightly packed

Answer 7

ice

Question 8

compared to solids, ______ have more energy and the freedom to move around.

Answer 8

liquids

Question 9

what molecules have more energy and the freedom to move around?

Answer 9

liquids

Question 10

in _____ like steam, these particles have the most energy.

Answer 10

gasses

Question 11

what particles are sparse and move around freely?

Answer 11

gasses

Question 12

____ can be expanded and compressed in different pressures and are usually invisible to the eye.

Answer 12

gasses

Question 13

what is the type of law that provides a relationship between the pressure and the volume of a gas?

Answer 13

boyle’s law

Question 14

what is the type of law that that provides a relationship between the volume occupied by a gas and the absolute temperature?

Answer 14

charle’s law

Question 15

what is the type of law that provides a relationship between the pressure exerted by a gas on the walls of its container and the absolute temperature associated with the gas?

Answer 15

gay-lussac’s law

Question 16

what law gives the relationship between the pressure of a gas and the volume of the gas at a constant temperature?

Answer 16

boyle’s law

Question 17

what law’s volume of a gas is inversely proportional to the pressure of a gas at a constant temperature?

Answer 17

boyle’s law

Question 18

what law states that at constant pressure, the volume of a gas is directly proportional to the temperature (in Kelvin) in a closed system?

Answer 18

charle’s law

Question 19

what law describes the relationship between the temperature and volume of the gas?

Answer 19

charle’s law

Question 20

what law gives the relationship between temperature and pressure at constant volume?

Answer 20

gay-lussac’s law

Question 21

what law states that at a constant volume, the pressure of the gas is directly proportional to the temperature of a given gas?

Answer 21

gay-lussac’s law

Question 22

_____ are sugar molecules

Answer 22

carbohydrates

Question 23

along with proteins and fats, _____ are one of three main nutrients found in foods and drinks.

Answer 23

carbohydrates

Question 24

our body breaks down ______ into glucose

Answer 24

carbohydrates

Question 25

our body breaks down carbohydrates into ______

Answer 25

glucose

Question 26

____, or blood sugar, is the main source of energy for our body’s cells, tissues, and organs.

Answer 26

glucose

Question 27

_____ are organic compounds that contain hydrogen, carbon, and oxygen atoms

Answer 27

lipids

Question 28

what helps form the framework for the structure and function of living cells?

Answer 28

lipids

Question 29

what are the different types of lipids? (B, V-O, C, S, W)

Answer 29

butter, vegetable oil, cholesterol, steroids & waxes etc.

Question 30

all the compounds in the different types of lipids have similar features such as?

Answer 30

insoluble in water and soluble in organic solvents

Question 31

______ serve as the body’s primary energy source, particularly for the brain

Answer 31

carbohydrates

Question 32

when there is an insufficient ______ supply, the body turns to breaking down muscle protein and body fat for energy

Answer 32

carbohydrates

Question 33

____is caused if energy is produced (in the form of light, heat, or chemical energy)

Answer 33

chemical reaction