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49 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is an organism |
Another name for a living thing |
Something living |
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What are living things made up of |
Cells |
Building blocks of life |
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What is nutrition |
The way in which living thing get and use their food |
Something to do with food |
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What is resperation |
The way living things get energy |
Energy |
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What is excretion |
Its is the getting rid of wastes that are made in cells |
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What is growth |
Results from the dividing in cells |
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What is response |
The ability to react to changes in the environment |
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What is a vertebrae |
Animals with a backbone |
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What is an invertebrate |
Animals with no backbone |
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What is digestion |
The breakdown of insoluble food molecules into small soluble food molecules |
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What is an enzym |
A biological catalysts |
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What is the word equation for aerobic resperation |
Glucose+oxygen--------->energy+carbon dioxide +water |
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What is the function of white blood cell as |
Fight deseises |
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What is the function of platelets |
Clots blood |
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What is the function of plasma |
Transports substances and heat |
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What is the function of the unitary system |
To get rid of urea , excess water and salts |
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What are ligaments |
Connects bone to bone |
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What are tendons |
Connects muscles to bone |
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What is photosynthesis |
The way plants make their food |
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What is the word equation for photosynthesis |
Carbon dioxide +water_____light+chlorophyll______> glucose + oxygen |
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What is tropism |
The growth response of a plant to stimulus |
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What is phototropism |
It is the growth response of the plant to light |
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What is matter |
It or anything that occupies space and has mass |
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What is the melting point |
The melting point it's the temperature at which a solid turns into a liquid |
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What is an element |
An element is a substance that cannot be broken down into simpler substance by chemical means |
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What is a mixture |
It consists of to or more substances mingled with each other but not chemically combined |
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What is a solvent |
A substance that dissolves other materials to form a solution |
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What is a solution |
A mixture of a solute and a solvent |
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What is evaporation |
The changing of liquid to a gas |
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What turns blue litmus paper red |
Acids |
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What turned red litmus paper blue |
Bases /alkine |
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What is the word equation for the perpetration of oxygen |
Hydrogen peroxide =====>water + oxygen |
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What is the Changchow equation for the preparation of oxygen |
2h²O²==>2h²O+O² |
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What is the word equation for the perpetration of carbon dioxide |
Calcium carbonate +hydrologic acid (dilute)-------> calcium chloride + water +carbon dioxide |
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What is the balanced chemical equation for the perpetration of carbon dioxide |
CaCo³+2hci ------->CaCl²+H²O+CO² |
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How is scum formed |
Calcium ions + soap ions ------> scum |
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How is salt formed |
Salt is formed when hydrogen and acid is replaced by a metal ion |
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How do you find the density of an object |
Density = mass ÷volume |
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How do you find three acceleration of an object |
Acceleration= change in velocity ÷ time |
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What is force |
Something that can changes an objects acceleration |
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What is weight |
The weight of an object is the force of gravity on it |
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How do you change weight into kilogrammes |
Weight (in neutron's)=mass(kilogrammes)×10 |
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How do you find three work done |
Work done = force done × distance moved |
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What is energy |
It is ability to do work |
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How do you find power |
Power = work done ÷ time taken |
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How do you find force |
Force × (perpendicular distance from the force to the fulcrum) |
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What is pressure and how do you find find the pressure |
Is force per unit area Pressure = force ÷ area |
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What is a barometer |
Measures the atmospheric pressure |
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How do u find the resistance of a electricity |
Voltage (v) ÷ current (I) = resistance ( in ohms |
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