S2 science

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Does friction always act in opposite way or the same way to the motion?
Opposite
1 of 15
What is the gravitational force on earth
10N
2 of 15
What is always the same on different planets?
Your mass
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What changes on each planet?
Your weight
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What are 2 ways you can reduce friction?
lubrication ( making the surface smooth ), reducing surface contact
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What are the 6 parts of a plant cell?
Vacuole, cell membrane, cell wall, cytoplasm nucleus, chloroplast
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What is the name of the female plant sex cell?
Pistol
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What is photosynthesis
The process of plants making their own food and ways to survive using carbon dioxide, sunlight and water to produce sugar and oxygen.
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What takes longer, sexual or asexual reproduction?
sexual
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What are 2 methods of seed dispersal?
Wind, water, animals, exploding, fire and insects
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What is the difference between the solute and solvent
The solute is the substance being dissolved and the solvent is the substance that is used to dissolve the solute
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What are the 4 methods of seperating mixtures?
Filteration, distillation, chromotography and evaporation.
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What is insoluble and soluble?
Soluble is a substance that does dissolve and insoluble is a substance that doesn't dissolve
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What method of seperation can you use to seperate a mixture of water and salt water?
Evaporation
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What method would have to be used to seperate the salt water and water but have both liquids still there but seperated into different bowls/containers?
Distillation
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Other cards in this set

Card 2

Front

What is the gravitational force on earth

Back

10N

Card 3

Front

What is always the same on different planets?

Back

Preview of the front of card 3

Card 4

Front

What changes on each planet?

Back

Preview of the front of card 4

Card 5

Front

What are 2 ways you can reduce friction?

Back

Preview of the front of card 5
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