concept 1

Question 1

what is a carbohydrate?

Answer 1

organic molecules made up of atoms of carbon, hydrogen, and oxygen (startches)

Question 2

what is an element?

Answer 2

a pure substance that cannot be broken down into other substances

Question 3

what is a fertilizer?

Answer 3

a substance that enriches soil so plants can grow better

Question 4

what is an issue?

Answer 4

an important topic

Question 5

what is a lipid?

Answer 5

organic molecules made up of atoms of carbon, hydrogen, and oxygen (fats, oils)

Question 6

what is nitrogen fixation?

Answer 6

process of changing free nitrogen

Question 7

What is pollution?

Answer 7

a harmful change to the environment

Question 8

what is protein?

Answer 8

Organic compounds that contain atoms of nitrogen, hydrogen, oxygen, and carbon

Question 9

what does “organic” mean?

Answer 9

something that contains carbon

Question 10

what does “inorganic” mean?

Answer 10

something that does not contain carbon

Question 11

what is a nutrient?

Answer 11

an element or compound that every organism needs to live, grow, and reproduce

Question 12

which type of nutrients are needed in large amounts?

Answer 12

macronutrients

Question 13

which type of nutrients are needed in smaller amounts?

Answer 13

micronutrients

Question 14

what are the four important classes of organic compounds?

Answer 14

carbohydrates, lipids, proteins, nucleic acids

Question 15

what do you find when you use a biuret test?

Answer 15

proteins

Question 16

what do you find when you use a Benedict solution test?

Answer 16

sugars (carbohydrates)

Question 17

what do you find when you use a brown paper bag test?

Answer 17

lipids

Question 18

what do you find when you use an iodine test?

Answer 18

starches (carbohydrates)

Question 19

what does inorganic mean?

Answer 19

something that does not contain carbon

Question 20

what does organic mean?

Answer 20

something that does contain carbon

Question 21

what is diffusion?

Answer 21

the movement of molecules from areas of high concentration to areas of low concentration

Question 22

what is osmosis?

Answer 22

the movement of water from areas with lots of water molecules to areas with fewer water molecules

Question 23

what is ingestion?

Answer 23

the process of bringing food into our bodies

Question 24

what is hydrolysis?

Answer 24

the process of breaking a substance down with water

Question 25

what is photosynthesis?

Answer 25

the process of converting solar energy into chemical energy

Question 26

what is cellular respiration?

Answer 26

the process of converting chemical energy into useable energy

Question 27

what are the three different cycles in an ecosystem?

Answer 27

water, carbon, nitrogen

Question 28

what is a substrate?

Answer 28

a material on which an organism lives or moves

Question 29

what elements are in fertilizer?

Answer 29

nitrogen, phosphorus, and potassium (sometimes sulfur)