Science 8
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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| nucleus | controls all the cell's activities
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| cell membrane | holds cell in place
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| cytoplasm | controls what enters and leaves
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| vacuole | stores material like wastes
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| mitochondria | produce energy
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| cell wall | protects and supports the plant cell
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| chloroplast | traps light energy
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| Diffusion | movement of the amount of a substance from an area of higher concentration to a area of lower concentration(temperature may change the speed)
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| Osmosis | is the diffusion of water
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| respiratory system | controls breathing
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| skeletal system | has bones that support the body and work with muscle to move the body
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| nervous system | has nerves that detect, signal, and respond to changes in the enviroment
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| excretory system | to remove liquid and gas waste
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| endocrine system | makes hormones
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| digestive system | takes in and break down food, absorbs nutrients and get rid of solid waste
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| integumentary system | protects the body and includes skin, hair and nails
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| reproductive system | include organs to produce offspring
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| immune system | defends the body against infection
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| muscular system | has muscles that work with bones to move the body
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| circulatory system | moves blood, gases, nutrients and wastes
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| carbohydrates | is the fastest source of energy (bread, rice)
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| proteins | helps build muscles, skin, nails and hair (fish and nuts are some examples)
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| fat | use to build cell membrane and can be save in body as energy
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| Innate immune response | quick, general and non specific. WHich means it responses when the body recognize the invader. Examples are, inflammation and phagocytes (white blood cells)
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| Acquired immune response | The phagocytes send a signal to helper T cell to find the specific B cell to defeat this invader. B cell launches antibody to provide antigen to spread. If it doesn't kill them, your body finally activates killer T cells, which destroy everything.
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| Antibodies | Made by B cells to stick on the antigens, providing them to spread.
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| Antigen | Unrecognized pathogens
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| Pathogen | Invaders of our body
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| Allergen | Causes allergy
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| Law of reflection | The angle of incidence is the same as the angle of reflection
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| Order of the electromagnetic spectrum | Radio->micro->infrared->visible->UV->X-ray->Gamma
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| Visible spectrum | ROYGBIV
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| Primary colors | Red, yellow, blue
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| Refraction | Bending of light
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| Crest | Top of a wave
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| Trough | Bottom of a wave
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| Wavelength | Distance from crest to crest, trough and trough ,and wave to wave
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| Amplitude | Height of wave
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| Rest position | A flat line to indicate the curves of the wave
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| Compression wave | Force moves back and forth
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| Transverse wave | Forces moves up and down
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| Translucent | Around half of the light will go through
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| Transparent | All the light could go through
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| Opaque | No light can go through
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| Pupil | the black circle in your eye
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| Iris | the colored ring around your eye
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| Sclera | The white part of your eye
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| Cornea | Refracts the light to hit the back your eye
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| Retina | Back of your eye
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| Lens | Fine tune the image seen by your light
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| Optic nerve | receive the image from your eyes
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| Blind spot | where the optic nerve is connected to the retina
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| Rod cells | Cells that provide us the ability to see shades of grey
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| Cone cells | Cells that provide us the ability to see colors
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
lwong
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