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Science 10 prep
Science 14
Science14 Question | Sceince14 answer |
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What is WHMIS | Workplace Hazardous Materials Information System |
What is MSDS | Material Safty Data Sheets |
What is HHPS | Hazardous Household Product Symbols |
What is CaCO2 | Calcium Corbonate |
What is C6H12O6 | Glucose (suger) |
What is CO2 | Carbon dioxide |
What is CH4 | Methane (natural gas) |
What is a pH scale? | It classifies what is acidic or basic. |
Who discoverd friction? | Count Rumford in 1700s. |
What is Kinetic energy | A form of energy associated with motion |
What is heat | Heat is the sum of all kinetic energy |
What is temperature | Temperature is the average of all kinetic energies |
What is conduction | A method of heat transfer that requires contact |
What is convection | A method of heat transfer that involves currents |
Method for photosynthesis | Carbon dioxide + Water + energy ---> glucose + oxygen |
Method for cellular respiration | Glucose + oxygen --> carbon dioxide + water + energy |
Waht do red blood cells do | Transfer oxygen |
Waht are platelets | They are located the blood stream, to clot the blood |
What do the white blood cells do | They fight off infection in the blood stream |
How meny beats dose your hart beat per minute | about 60 to 90 beats for adolescents |
How is a pulse produced | By the streching and springing motions of the artery |
What is diabetes | Diabetes are when you have to much glucose (suger) in your blood and urine |
How does diabetes happen | When your pancreas fails to produce enough insulin |
What is an ulcer | It consist of holes or breaks in the esophagus and stomach |
How does it happen | By bacterium |
What is a heart attack | A heart attack is when blood cant get to the heart causing damage to heart cells |
What is a cardiac arrest | Its when the heart heart compleatly stops |
What are the three R's | Reduce, re-use, and recycle |
whats the differnce between an animal cell and a plant cell? | A plant cell has two extra organelles, a cell wall and chloroplasts |
what is the nucleus? | it is the control center of the cell |
what is a compound microscope? | a microscope that uses light to illuminate the objecy being viewed |
what an electron microscope? | a microscope that can view objects in great detail by magnifying them more than 600 000 times |
what is an organelle? | they are parts of a cell that cary out a specific task or function |
what is the life process? | necessary activities of life such as reproduction, growth, and transportation |
what is tissue? | its when cells combine and work together to carry out a specific task or function |
what do you suppose theory means? | its an explanation of something that has been supported by repeating experimental results |
name the three facts of cell theory | 1.all living organisms are made of cells 2.cells are responsible for function and structure in all living organisms 3.all cells are reproduced from other living cells |
what is a system? | any group of organs working together to perform a specialized form |
are cells living or non living? | they are living because they reproduce |
what is the vacuole in the cell? | its the organelle that stores food, water, and waste that the cell cant use right a way |
what role does the cell membrane play in the cell? | it seperates the inner parts of the cell from the outside environment |
how can you distinguish between a plantcell and an animal cell? | a plant cell has two extra organelles, the cell wall and the chloroplasts |
whats the difference between a cell wall and a cell membrane? | the cell wall provides protection and strength for the cell, and the chloroplasts contain pigment wich give the plant its color |
what is the name of the pigment found inside the chloroplast? | chlorophyll |
explain how you should bring a specimen into focus on a microscope | change the coarse adjustment knob |
hello | hi |