Science

Question 1

What is the basic unit of life

Answer 1

The cell

Question 2

What is the function of mitochondria

Answer 2

Produces energy for the cell

Question 3

What is the function of the nucleus

Answer 3

Controls cell activities and contains DNA

Question 4

What is the main function of the heart

Answer 4

Pumps blood through the body

Question 5

What is the main function of the lungs

Answer 5

Exchange oxygen and carbon dioxide

Question 6

What is the main function of the kidneys

Answer 6

Filter waste from the blood

Question 7

What is the function of red blood cells

Answer 7

Carry oxygen

Question 8

What is the function of white blood cells

Answer 8

Fight infection

Question 9

What is the function of platelets

Answer 9

Help blood clot

Question 10

What is the main function of the digestive system

Answer 10

Break down food for nutrients

Question 11

What is the main function of the nervous system

Answer 11

Control body responses and transmit signals

Question 12

What is the main function of the endocrine system

Answer 12

Produce hormones

Question 13

What is homeostasis

Answer 13

Maintaining internal balance

Question 14

What is DNA

Answer 14

Genetic material that carries hereditary information

Question 15

What is a gene

Answer 15

A segment of DNA that codes for a trait

Question 16

What is osmosis

Answer 16

Movement of water across a membrane

Question 17

What is diffusion

Answer 17

Movement of particles from high to low concentration

Question 18

What is the main function of the skin

Answer 18

Protection and temperature regulation

Question 19

What is the main function of the skeletal system

Answer 19

Support and protection

Question 20

What is the main function of the muscular system

Answer 20

Movement

Question 21

What is the function of the respiratory system

Answer 21

Gas exchange

Question 22

What is photosynthesis

Answer 22

Process by which plants make food using sunlight

Question 23

What is respiration

Answer 23

Process of releasing energy from glucose

Question 24

What is a producer

Answer 24

An organism that makes its own food

Question 25

What is a consumer

Answer 25

An organism that eats other organisms

Question 26

What is a decomposer

Answer 26

An organism that breaks down dead matter

Question 27

What are the states of matter

Answer 27

Solid liquid gas

Question 28

What is evaporation

Answer 28

Change from liquid to gas

Question 29

What is condensation

Answer 29

Change from gas to liquid

Question 30

What is freezing

Answer 30

Change from liquid to solid

Question 31

What is melting

Answer 31

Change from solid to liquid

Question 32

What is the basic unit of heredity

Answer 32

Gene

Question 33

What is the pH of pure water

Answer 33

7

Question 34

What is the chemical formula for water

Answer 34

H2O

Question 35

What is the chemical formula for carbon dioxide

Answer 35

CO2

Question 36

What is the function of chloroplasts

Answer 36

Perform photosynthesis in plant cells

Question 37

What organ system includes the brain

Answer 37

Nervous system

Question 38

What organ filters blood

Answer 38

Kidney

Question 39

What is the largest organ in the human body

Answer 39

Skin

Question 40

What type of blood vessel carries blood away from the heart

Answer 40

Artery

Question 41

What type of blood vessel carries blood to the heart

Answer 41

Vein

Question 42

What are the male sex cells called

Answer 42

Sperm

Question 43

What are the female sex cells called

Answer 43

Eggs

Question 44

What organ stores bile

Answer 44

Gallbladder

Question 45

What organ produces insulin

Answer 45

Pancreas

Question 46

What gas do humans exhale

Answer 46

Carbon dioxide

Question 47

What gas do humans inhale

Answer 47

Oxygen

Question 48

What part of the cell contains genetic information

Answer 48

Nucleus

Question 49

What part of the digestive system absorbs nutrients

Answer 49

Small intestine