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Lesson 1-2

TermDefinition
vocabulary Vocabulary refers to the set of words and their meanings that students must understand to comprehend a text. Vocabulary knowledge is one of the strongest indicators of reading comprehension.
matter Matter is anything that takes up space and can be weighed. In other words, matter has volume and mass. There are many different substances, or types of matter, in the universe.
element In the field of chemistry, it refers to a simple substance that cannot be broken down into smaller parts or transformed into another substance.
atoms The smallest part of a substance that cannot be chemically broken down. Every atom has a nucleus (center) composed of protons (positive particles) and neutrons (uncharged particles).
nucleus In biology, the cell structure that contains the chromosomes. The nucleus is surrounded by a membrane and is where RNA is made from the DNA in the chromosomes.
molecule The smallest particle of a substance that retains all of its physical and chemical properties.
compound A compound is a material formed by chemically bonding two or more chemical elements. The type of bond keeping elements in a compound together may vary: covalent bonds and ionic bonds are two common types.
hydrocarbons What is a hydrocarbon? A hydrocarbon is any of a class of organic chemicals made up of only the elements carbon (C) and hydrogen (H).
macromolecules because of their large size
proteins Proteins are biopolymeric structures composed of amino acids, of which 20 are commonly found in biological chemistry. Proteins serve as structural support, biochemical catalysts, hormones, enzymes, building blocks, and initiators of cellular death.
Nucleic acid Definition. 00:00. Nucleic acids are large biomolecules that play essential roles in all cells and viruses. A major function of nucleic acids involves the storage and expression of genomic information.
carbohydrates Carbohydrates, or carbs, are sugar molecules. Along with proteins and fats, carbohydrates are one of three main nutrients found in foods and drinks. Your body breaks down carbohydrates into glucose.
lipids Lipids are fatty, waxy, or oily compounds that are soluble in organic solvents and insoluble in polar solvents such as water. Lipids include: Fats and oils (triglycerides)
pH LPH means litres per hour, a volumetric flow rate measurement equals that of a liquid metric litre moving each hour.
loop A loop is a roundish, coiled shape, like the shape a piece of string or rope makes when it crosses itself.
feedback helpful information or criticism that is given to someone to say what can be done to improve a performance, product, etc.
geographer Geographers study the Earth and the distribution of its land, features, and inhabitants. They research the interactions between the physical aspects of a region and the human activities within it.
lithosphere The lithosphere is the solid, outer part of Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure.
biosphere The biosphere is a global ecosystem made up of living organisms (biota) and the nonliving (abiotic) factors that provide them with energy and nutrients.
atmosphere The atmosphere is a mixture of gases that surrounds the Earth. It helps make life possible by providing us with air to breathe, shielding us from harmful ultraviolet (UV) radiation coming from the Sun,
hydrosphere A hydrosphere is the total amount of water on a planet. The hydrosphere includes water that is on the surface of the planet, underground, and in the air. A planet's hydrosphere can be liquid, vapor, or ice.
erosion Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust and then transports it to another location where it is deposited.
Created by: user-1973645
 

 



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