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Definition
| the maintenance of a constant internal state in a changing environment |
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Definition
| the smallest functional; and structural unit of all living organisms |
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Definition
| reproduction in which the sex cells from two parents unite to produce offspring that share traits from both parents |
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Definition
| reproduction that does not involve the union of sex cells and in which one parent produces offspring that are genetically identical to the parent |
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Definition
| the sum of all chemical processes that occur in an organism |
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Definition
| an organism that can make its own food using energy from its surroundings |
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Definition
| an organism that eats other organisms or organic matter |
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Definition
| an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients |
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Definition
| a molecule that is made of amino acids and that is needed to build and repair body structures and to regulate processes in the body |
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Definition
| a class of molecules that includes sugars, starches, and fiber that contain carbon, hydrogen, and oxygen |
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Definition
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Definition
| a lipid that contains phosphorus and that is structural component in cell membranes |
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Term
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Definition
| adenosine triphosphate; a molecule that acts as the main energy source for cell processes |
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Term
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Definition
| a molecule made up of subnets called nucleotides |
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Term
| What is the difference between sexual and asexual reproduction |
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Definition
asexual; one parent
sexual; two parents |
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Term
| 3 most basic necessities of life |
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Definition
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Term
| 6 characteristics that all living things have in common |
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Definition
1.cell- all living things are composed of cells
2.detect and respond to stimuli- all things are able to sense change in environment
3.reproduce- all living things reproduce offspring
4.DNA-all living things have DNA
5. Use energy- living things use energy to carry out the activities of life
6. Grow and develop- all living things grow during parts of their life |
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Term
| What is an enzyme and what do they do? |
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Definition
| a protein that starts or speeds up chemical reactions in cells |
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Definition
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Term
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Definition
| waves consist of changing electric and magnetic fields that can travel through empty space or matter |
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Term
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Definition
| all of the frequencies of wave lengths of electromagnetic radiation |
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Definition
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Definition
| the narrow range of wave lengths in the electromagnetic spectrum that humans can see |
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Definition
| hurtful but healthy light |
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Term
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Definition
| the bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through |
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Definition
| the transfer of energy carried by light waves to particles of matter |
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Definition
| an interaction of light with matter that causes light to change its energy, direction of motion or both |
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Term
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Definition
| is the passing of light through matter |
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Term
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Definition
| the bending of a wavefront as the wavefront passes between two substances in which the speed of the wave differs |
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Term
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Definition
| a transparent object that refracts light waves such that they converge or diverge to create an image |
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Term
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Definition
| a lens that is thicker in the middle that at the edges |
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Term
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Definition
| a lens that is thinner in the middle that at the edges |
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Term
| What are the colors of visible light in order? |
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Definition
red
orange
yellow
green
blue
indigo
violet |
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Term
| What is the law of reflection? |
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Definition
| the angle of incidence is equal to the angle of reflection |
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Term
| What does it mean for an object to be luminous? |
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Definition
| objects that emit visible light |
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Term
| How can we see illuminated objects? |
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Definition
| because they reflect light |
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Term
| 3 ways in which light can interact with matter |
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Definition
solid-will bounce off (mirror)
liquid- it stays on the liquid (does not bounce)
gas- when it goes through, light gets faint |
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Term
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Definition
solid-hard object
liquid- watery substance
gas-misty fog |
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Term
| How can we see an apple is green? |
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Definition
| When white light strikes a colored opaque object, some colors of light are absorbed and some are reflected. we see the colors that are reflected |
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Term
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Definition
| the natural color of an animal or plant |
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Term
| When does light undergo refraction? |
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Definition
| when the speed of light is slower |
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Term
| How can we see a rainbow when light passes through a prism or water? |
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Definition
| the water droplets with the light rays make all sorts of colors |
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Term
| Briefly describe and draw how a convex lens alters a light path |
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Definition
| the light is refracted toward each other |
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Term
| Briefly describe and draw how a concave lens alters a light path |
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Definition
| the light is refracted away from each other |
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