BIOLOGY EXPERIMENTS CHILDREN

You will observe:Manylargebacteria. Bacteriathatare inactive are alwayspresentin a spore form in the air and on objects bothlivi ...

You will observe:Several typesofvery simple greenplantscalled algae. Manywill be stained blue-black within their cells. Some wil ...

You will observe: Yeast cells with small "buds" growing from them. Some will grow as you watch them. Chainsofbuds willappearrigh ...

slide. Cover with a cover slip. Observe firstunderlow power, and thenunder high power of your microscope. You will observe:Under ...

their cases and aredistributedby the wind. If the soil on which they land is rich and moist, each spore will take rootand develo ...

Follow this procedure:Place a layerofgravel or small pebblesaboutone inch deep on thebottomofthetank. Over thisspreadabouthalfan ...

GROWING MOSSES IN YOUR TERRARIUM Follow this procedure: Collect moss plants from cracks in shaded walls or moistgroundunder tree ...

GROWING FERNS INDOORS Follow this procedure: Collect ferns from a moist wooded area. Uproot them as you did mosses, keepingintac ...

earthwhen it washotand swampy. They formed large forests thatcovered mostofthe earth. Gianttree ferns grewabout30 or 40 feet hig ...

twoattractiverelativesofferns. One is thehorsetailrush, often found growing alongrailroadtracks. The second is the club moss. Th ...

Alltruefloweringplantsconsistofroots,stems, leaves and flowers. Therootskeep theplantanchoredin the soil andprovideit withnouris ...

STUDYING ATYPICAL ROOT-A CARROT , Materials: Threefresh carrots, a sharpknife, red ink or vegetable dye (which you can get from ...

THE BINDING FORCE OF ROOTS Materials:An envelope of radish ormustardseeds from your local variety store, florist or nursery, two ...

OBSERVING THECIRCULATION OFWATERFROM ROOTS TO LEAVES Materials:A stalk of celery with its leavesattached,a glassoftap water, sev ...

Forstudyingtheotherleaves, use your hand lens. Notice how the veins branchout from the leaf stem to all partsofthe leaf. You wil ...

you have difficultysortingyour leaves into categories, you may want toconsult a handbookonbotany. After you havesortedthem, use ...

edgesofsome leaves aresmooth,otherare scalloped. Stillothersarejagged, or cut up like teeth. The kindofleaf a tree bears, its ty ...

You willobserve:The leaf has becomeeithergreyish or completelywithout pigment. But after it wastreatedwith dilute iodine, itturn ...

ISOLATING CHLOROPHYLL AND TESTING FOR STARCH IN ALEAF Materials:A leaffroma green and white coleusplantor from a"wandering Jew" ...

These tiny openings are thestomates,throughwhich a leaf takes incarbon dioxide from the air. There areabouthalfa millionstomates ...