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7th science 3 (9W)
Ch. 1-4 (nine weeks exam)
| Question | Answer |
|---|---|
| Pollination is the transfer of pollen from | anther to stigma |
| which plant family characteristically has flower heads consisting of disk and ray flowers | composite family |
| What is the largest section of the brain | cerebrum |
| a completely illegal drug derived from the opium poppy | heroin |
| what is the most powerful natural stimulant | cocaine |
| what type of symmetry does a living thing that can be cut in equal halves in only one direction have | bilateral |
| what is a group of cells that are designed to work together as a unit | tissue |
| what is the thin, sticky film of bacteria that forms on teeth called | plaque |
| most people in their early teen years need at least ?? hours of sleep each night | 8 |
| What term refers to a disease that someone is born with | congenital |
| What is the maximum number of variables in a properly designed experiment | one |
| The stalk that attaches a leaf to a stem is called a | petiole |
| on what organ does alcohol have its most noticeable effect | brain |
| scattering of seeds by animals, wing or water | agent dispersal |
| how can a Christian best learn about who God is and what He expects | Bible reading |
| which plant family helps restore nitrogen to the soil | pea |
| which group of drugs includes alcohol | depressants |
| what is the layer of dead skin at the base of a nail called | cuticle |
| which of the following is a hallucinogen | marijuana |
| what gland controls other glands | pituitary |
| the drug found in tobacco is | nicotine |
| what term refers to the enlargement of muscles due to exercise | hypertrophy |
| name the vessels in plants that carry water and nutrients upward | xylem |
| what does SPF stand for | sun protection factor |
| what white or black mounds occur when sebaceous glands become clogged | pimples |
| what is a scientific idea that has survived many experiments and observations without ever being proven false | law |
| which hard substance covers the crown of your teeth | enamel |
| which type of gland helps keep the body cool | sweat gland |
| what condition occurs when someone does not get proper nutrition because of a poor diet | malnutrition |
| mineral needed for the transport of oxygen in the blood | iron |
| helps muscles move correctly and maintains water balance | potassium |
| group of nutrients that includes both sugars and polysaccharides | carbohydrates |
| nutrient essential for normal growth, good eyesight and healthy skin | vitamin A |
| indigestible polysaccharide | fiber |
| group of essential nutrients made of amino acids | proteins |
| group the includes fats | lipids |
| promotes strong bones | calcium |
| the surroundings of an organism or group of organisms are known as their | environment |
| the scientific method was developed by | Bacon |
| the type of exercise that strengthens the heart and lungs and burns fat is | aerobic |
| flowering plants are referred to as | angiosperms |
| plants that have 2 growing seasons are referred to as | biennials |
| the large blood vessels that carry blood away from the heart | arteries |
| occurs when the coronary arteries become blocked | heart attack |
| the disease caused by HIV | AIDS |
| the most common disease affecting the immune system | allergy |
| a disease in which the air sacs in the lungs collapse | emphysema |
| abnormal cells growing extremely quickly | cancer |
| the buildup of fatty deposits in arteries | atherosclerosis |
| the process by which malignant tumors spread to other parts of the body | metastasis |
| a disease most commonly found in those who reject biblical moral standards | AIDS |
| a usually mild infection caused by a virus | common cold |
| a sensible explanation to a scientific problem is a | hypothesis |
| vegetable oils usually contain | unsaturated fats |
| flower ovaries develop into structures called | fruits |
| a strong feeling expressed in a physical was is a | emotion |
| the scientific name for tooth decay | dental caries |
| a person needs the equivalent of at least ??? glasses of water a day | 6 |
| the products of photosynthesis are | water glucose oxygen |
| the largest internal organ of the body is the | liver |
| The air sacs in the lungs are called | alveoli |
| controls the other body systems | nervous |
| removes liquid wastes | urinary |
| transports nutrients and other materials | cardiovascular |
| supports the body | skeletal |
| covers and protects the body | integumentary |
| breaks down food into a form that can be absorbed | digestive |
| provides oxygen and removes carbon dioxide | respiratory |
Created by:
Harrison83
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