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Science 14

Topics learned from Science 14, including Chemistry, Physics and Biology

Questions (Sci14)Answers (Sci14)
What is the mouth used for? It is used for breaking down food with teeth and saliva.
What is the esophagus? A muscular tube that connects the mouth with the stomach.
What is a heart attack? A heart attack is when too much cholesterol clogs the coronary artery. The heart pumps harder to get the blood to the body to the point a cardiac arrest occurs.
Define Cardiac Arrest A Cardiac Arrest is when the heart simply stops.
Define Sea Breeze A cool wind that blows from a cool ocean or lake toward warmer land.
Define SPHYGMOMANOMETER AKA. Blood Pressure Cuff. An inflatable cuff and pressure meter used to measure blood pressure
If a substance has a pH under 7 is it an (A) ACID (B) NEUTRAL OR (C) BASE (A) ACID
What does WHMIS stand for? Workplace Hazardous Materials Information System.
What is the element for Pb? Lead
What are 3 types of heat transfer? Conduction, Convection and Radiation
Is ammonia Acid or base? Base
What is the element Symbol for Hydrogen H
What's the element symbool for helium He
Define Specific Heat Capacity Tyhe measure of a substances ability to absorb or lose heat given in J/g°C
What does MSDS stand for? Materials Safety Data Sheets.
Define Pure Substance A substance that has only one type of particle.
What is matter??? Literally everything.
What does friction create??? Heat
What are the three states of matter???? Solid, Liquid, and Gas.
There is a fourth state of matter but is not available on earth but is found on the sun. What is this fourth phase called? Plasma
Define Acid a sour tasting substance that turns bluelitmus paper red and has a pH less than seven.
Define Artery A blood vessel that takes oxygen rich blood from the lungsand delivers it via the heart to body tissues.
Define Atoms Thye smallest unit of all matter.
Define Base A slippery, bitter tasing substance that turns litmus paper blue and has a pH over seven.
What is Canada's Food Guide??? a guideline developed by health and welfare Canada to help Canadians make healthy eating and lyfestyle choices.
What is a Cell??? The smallest Unit of Life. The building Block of all living organisms.
What are the main organs used in the digestive system? Mouth, Esophagus, Stomach, Pancreas, Gallblatter, Liver, Small Intestine, Large Intestine, Rectum and anus.
What are the nutrients vital to humans? Carbohydrates, Proteins, Fats, Vitamins, Minerals, and water.
What is Scurvy? A serous disease caused by lack of Vitamin C
What type of Microscope uses electrons. An electron Microscope.
What is the smallest Unit of Life? Cells
A wheelbarrow is an example of what type of Lever? A Second Class Lever
A fishing Rod is an example of what kind of Lever? A third Class Lever
What are the 8 types of energy? Potential, Kinetic, Thermal, Electrical, Light, Sound, Chemical and Nuclear
Define effort the force required to move an object.
Define Fulcrum the support point on which a lever pivots.
Define Glucose a sugar produced during photosynthesis.
What does HHPS stand for? Hazardous household Products Symbols.
Define Metalloid elements that share properties with some metals and share some properties as non metals.
A substance is sour, and turns litmus paper from blue to red. That substance is likely to be an _________ Acid
A substance is bitter and slppery, and turns red litmus blue. It is likely a ________ Base
Who is Robert Brown? The first to discover the Brownian Motion
What is a stomach ulcer? A hole or break in the lining of the stomach caused by the eating away of the mucous lining.
Define Vein a blood vessel that that takes oxygen poor blood from body tissues back to the heart.
Define Solute the substance that dissolves to form a solution.
What is R-value A measure of how well an insulating material slows heat transfer.
What is a land Breeze A mild wind that flows from the cool land out to the warmer sea.
Define force A push or pull
If a substance has a pH of around 7 it is considered _________ Neutral
Define Load The object moved by a lever.
What is an element? A simple substance that cannot be broken down into simpler substances.
What is the only liquid metal? Mercury.
Define abiotic environment aboitic facors; all non-living components of an ecosystem.
define altitude a measure of height above sea level
define population the relative number if individuals in a certain species
define immigration coming into a certain area.
define birth rate the number of living things being reproduced over a certain period of time
what is climate? the average weather conditions in an area based on long term records
what are 3 abiotic limiting factors? Water, Weather and Matter
what are the 4 main biomes in alberta? Grassland, Rocky Mountains and Foothill, Boreal Forest and the Aspen Parklands
What is the main reason there is so little trees in the plains? Low Precipitation
What is extinction? An elimination of species from the earth.
What is emigration? Departures from a population
What is biodiversity? a description of the variety of living things in an area.
What is an ecosystem? a community of living things
What is a consumer? an organism that eats a producer or another consumer.
What is the Boreal Forest? A biome that consists of a variety of forests such as aspen, pine and spruce trees.
What is a biotic community? all the livng components of an ecosystem.
What is Decomposer? A living thing that break down dead organisms.
What is energy? The source of the ability to move, do work or cause changes.
What is a parasite? An organism that lives on or in another organism.
What is a host? Any organism that has a parasite
Define Parkland the biome in which the main plants are trees and grass.
What is the ozone layer? A layer of gas in the earths atmosphere that protects earth from harmful ultraviolet radiation from the sun.
What is pesticide? A chemical used to kill unwanted plants or animals such as weeds and insects.
What is a food chain?? A model showing which organisms eat another
What is predation? The killing and eating of an animal by another
What is a predator? any animal that catches, kills and eats other animals.
What is prey? An animal being eaten by other animals.
What is a primary consumer? An animal that eats plants or producers.
What is a pyramid of energy? a model showing the entire amount of chemical energy flowing through eachj feeding level of a food chain.
What is a secondary consumer? An animal that must eat primary consumers.
What is a tertiary consumer? An animal that must eats secondary consumers
What is soil? A thin layer of rock fragments and decomposed plant matter that covers the land
What are soil crumbs? Particles of humus that have formed clumps.
What are species at risk? Organisms that are close to becoming extinct.
What is Terresrial Ecosystem? an ecosystem on land.
What is topgraphy? The physical features in an area.
What is topsoil? the top layer of soil
What is the water cycle? the reuse of water through condensation, precipitation, and evaporation.
What is a biome? A large geographic area with distinct plants and animals.
Why is it colder near the north and south poles? They do not get direct sun rays.
What is the the average weather conditions in the aspen parklands? Cold long winters, and cool summers.
What is an exotic species? Any living thing that does not occur naturally in an area.
What is competition? A fight between one species to another over a producer.
Which one of the following are primary consumers (1)Wolf (2)Lion (3)Trees (1) TREEs
What are the 3 types of consumers Primary, Secondary, Tertiary
Which would go to the bottom of a food chain?Primary, Secondary or tertiary conumers? Primary conumers
What are four factors that affect population? Birth Rate, Death Rate, Immigration and emigration
What is abiotic? Anything non-living.
Created by: n_abra