hard science stuff
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Describe two changes in the composition of blood after it has passed through the capillaries of the lungs | The blood has now been oxygenated and carbon dioxide has been removed
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| Why do arteries have much thicker walls than veins | They need to push blood quicker as it is coming from the heart
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| Name three non-living factors in a habitat you have studied | Soil type/soil pH/moisture content/light intensity/rainfall/temperature/wind/direction the habitat aces/altitude/whether the ground is flat or not/
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| Name two plants in a habitat you have studied | Grass/primrose/dandelion etc.
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| Name two animals that compete in a habitat you have studied and what they compete for | Mouse and rabbit compete for food(grass)
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| Name two plants that compete in a habitat you have studied and what they compete for | Primrose and dandelion compete for sunlight
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| Give an example of how a named plant adapts to a habitat you have studied | Primroses flower early in the spring to get more sunlight before the trees sprout leaves
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| Name the structure in which amylase is produced | Salivary gland
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| Name two resources other than food that animals might compete for | Territory and shelter
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| How do you prepare a slide to show plant cells on a microscope | Take a small piece of the inner skin of an onion, place a drop of water onto the centre of a clean glass slide, carefully lower the cover slip over the skin, put the slide onto the stage under the clips and look into the eyepiece
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| Where do wastes leave the kidney | Ureter
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| What is transpiration | The loss of water vapour from the surface of plants
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| Briefly describe an experiment to demonstrate transpiration in plants | Place two plants in plastic bags, one with leaves and one without. Wait a few hours and water vapour should have formed in the plastic bag with leaves. This can be tested.
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| Why is transpiration necessary in plants(3 reasons) | To cool the plant, to transport water and to transport minerals
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| Name a substance other than water carried in phloem | Food
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| Name a substance other than water carried in xylem | Minerals
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| Define solubility | The mass (in grammes) that will dissolve in 100 grammes of solvent at a fixed temperature
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| Identify one energy conversion from one form to another when a car brakes | Kinetic energy to heat/sound energy
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| What does the liver do | Produces bile which helps digest fats
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| What does the stomach do | Produces digestive juices using enzymes and mixes the juices with the food
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| What do incisors, canines, premolars and molars do? | Incisors cut and bite food, canines tear food, premolars and molars crush and grind food
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| Name the part of the human skeleton that protects the lungs | Ribcage
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| What would you notice if you heated coloured water in a glass tube | The water would expand and rise up the tube
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Created by:
pbirch2020
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