photosynthesis
What is the name of the process where plants convert light energy into chemical energy?
photosynthesis
What is the lowest layer of Earth's atmosphere, extending about 10-45 km above the surface, where most weather occurs?
the troposphere
What is the name for the process of breaking down food into smaller molecules so it can be absorbed?
mechanical digestion
What is the minimum amount of energy needed for a reaction to occur
Activation energy
What are the two main structures that air enters the body through?
nose and mouth
What two ingredients do plants use to make sugar during photosynthesis?
carbon dioxide and water
What is the average weather in an area over a long period of time
climate
What is the name of the organ that stores bile, which helps with fat digestion?
the gallbladder
What do you call a reaction where one element replaces another in a compound
Single replacement
The lower end of the trachea splits into two branches, what are they called
bronchi
What is the name of the green pigment that captures light energy for photosynthesis?
chlorophyll
What are gases that trap and radiate heat in the atmosphere
greenhouse gases
What is the main function of the large intestine? (What is to absorb water and compact the waste
absorb water and electrolytes from the remaining food material and form solid waste (feces) for elimination.
Is sugar dissolving in water a physical or chemical change
physical
What is the name of the organ that houses the vocal cords
larynx
in what part of the plant does photosynthesis mainly occur?
mesophyll
This is the process where plants absorb carbon dioxide and release oxygen.
photosynthesis
What is the flap of tissue that prevents food from entering the trachea (windpipe
the epiglottis
What does the arrow in a chemical equation mean
Yields
Name the muscle that contracts to help you breathe, located below the lungs
diaphragm
What is the name of the tiny pores on leaves that allow carbon dioxide to enter?
stomata
This term refers to the impact of human activities on the environment, particularly regarding greenhouse gas emissions.
climate change
What is the term for the muscular contractions that move food through the digestive tract?
peristalsis
What type of reaction is photosynthesis
Endothermic)
What are the tiny air sacs in the lungs where gas exchange occurs
alveoli