Science Crossword
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
 
 
Down: 1) citrus fruits and juices2) control weed3) a device that uses a sorbent to reduce oxide emmisions.4) a substance that speeds up a chemical reaction without being used in a reaction.5) for the control of weeds,fungus,molds, and insects.6) female-3-4 male- 3-48) strengthens bones and teeth11) a device that encourages complete oxidation during combustion12) a chemical that produces a basic substance, having a Ph value more than 714) 100mg/day or less17) amount of DDt accumulated as it moved from 1 to 2 to 3 consumers.18) a chemical reaction in which oxygen combines with other elements to form new substances.19) female-2 male-321) contols fungus and mold24) -carbohydrates -protien -lipids -vitamins29) helps us see dim in the light30) supplies energy and heat33) a way to compare the relative acidity and alkalinity of a substance. Across: 5) builds and repairs body tissues7) helps the thyroid gland9) A chemical solution used in acidified lakes to neutralize the water.10) a chemical that produces and acidic substance, having a ph value less than 713) is used to control populations of insects and pests15) accumulation of minerals and chemicals from the environment16) supplies energy20) a chemical that changes color to indicate a base or acid.22) a chemical in food used for energy growth, body building or cell repair.23) helps turn food into energy25) helps us use calcium26) female-7 male-827) helps the blood to carry oxygen28) control insects31) a mixture of plant compounds used as a chemical indicator.32) rain or snow containing acid compounds from the air.34) paper saturated with a chemical to indicate if a substance is an acid or a base.35) -mineral36) the feeding step or level at whic each organism apperars in the food chain.37) is the process of adding calcium carbonate.38) 100 mg/day or more39) female- 6 Male-7
 

 

Create your own Crossword Puzzle for Free!		  Show Errors as I Type