INQUIRY CLUB. QUERIES.
49. What woods are heavier than water, ■ and what is the next lightest wood to cork? 1 , ''" Silly Boy, Dunedin. 50. How do coral animals multiply ? Do - they lay eggs ? Patty, Milton. ' ' 51. As night draws near the leaves of plants fold themselves up and the flowers c'oae. How is it in the Arctic summer ?Do the plants get any Bleep, during its continuance 1 Jenny L., Danedin. ANSWERS. 44. The oxy-calcium, or lime light, in- . vented by Capt. Drummmd, is produced by placing a ball of lime about a quarter of an inch in diameter, in the focus of a parabolic mirror, and directing upon it, through a flame arising from alcohol, a stream of oxygen gas. The intensity of the flame is very great. H. M., Dunedin. 45. Before a swarm of bees leaves the eld hive, each working bee gorges itself with honey. Before tbe comb is built in the new hive, the workers suspend themselves in . festoons and remain motionless for about 24 - hours, during which time a kind of external fat collects on the under side of the abdomen, between the over-lapping rings of the body. This is the wax which may be seen in thin white scales or films. Using the pincers at the joint of one of its limbs, the , bee seizss the scale from its body and brings it to its mouth, where it is formed into a very narrow ribbon, having adhesiveness, and i 3 ready for nee,
Uncle Ben, Dunedin. 46 The spectroscope was ducvered in the search for the ciuees "which produced ' the effects known as ths Dagueneotype. It ,was then found that the vajour of certain metals gav«3 certain colours or lines. 11. M , Duuedin.
"How Jimmie is growing !'' "Y<s; I see the top of his head pokiDg Ihrouj,hthe crown of his bat." Ttere are two little girls of the Bame name in -this vicinity. The other night one c f them said her prayers, aud for fear they might be credited to the other child, Bhe added, " No. 10 Orange street." A Choice of Evils. — Mama: "Now, Arthur, be a good boy and take your medicine, r or mama will be very a»gry. ;; Arthur (after
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Bibliographic details
Otago Witness, Issue 1442, 12 July 1879, Page 24
Word Count
371INQUIRY CLUB. QUERIES. Otago Witness, Issue 1442, 12 July 1879, Page 24
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