science- CHEMISTRY IN LIFE

Question 1

smallest particle of an element

Answer 1

atom

Question 2

a group of similar cells

Answer 2

tissue

Question 3

part of an organism and has a specific vital function

Answer 3

organ

Question 4

anything that takes up space and has mass

Answer 4

matter

Question 5

2 or more atoms bonded together

Answer 5

molecule

Question 6

2 or more elements bonded together

Answer 6

compound

Question 7

a pure substance

Answer 7

element

Question 8

when they bind together they forma long chain called polypetide

Answer 8

amino acid

Question 9

most common organic compound (like sugar, starch) used to store energy (made of sugar molecules)

Answer 9

carbohydrate

Question 10

an organic compound such as fat or oil (another name for fats)

Answer 10

lipid

Question 11

small repeating units that form bonds with each other to make a longer molecule

Answer 11

monosaccharide

Question 12

compound found mainly in living things

Answer 12

organic compound

Question 13

nutrients that your body needs

Answer 13

protein

Question 14

proteins which help regulate chemical reactions

Answer 14

enzyme

Question 15

carbon atoms are bonded to as many hydrogen atoms as possible (straight chain) solid at room temperature

Answer 15

saturated fat

Question 16

some carbon atoms arent bonded to as many hydrogen atoms as possible (bent chains) not a solid at room temperature

Answer 16

unsaturated fat

Question 17

a chemical substance that neutralizes alkalis, dissolves some metals

Answer 17

acid

Question 18

a solution with a PH higher than 7

Answer 18

base

Question 19

form between nearby water molecules

Answer 19

hydrogen bond

Question 20

describes how acid or basic (alkaline) a solution is

Answer 20

PH scale

Question 21

a difference in electrical charge between different parts of the same molecule

Answer 21

polarity

Question 22

the solute dissolved in the solvent (example: cool aid)

Answer 22

solution