Causes of fire and fire hazards, Causes of Fire :  The potential fire risk...

Causes of Fire :  The potential fire risk arises from the presence of combustible solids, liquids or gases in conjunction with ignition sources. One or more class is generally fou

Why cameleon change colour?,

Objectives of identification of compressed gases , Objectives After doi...

Objectives After doing this exercise you should be able to: 1.  Identify the contents of the gas cylinder by observing the colour code, 2.  State the nature of the gas pr

Giraffes, does giraffes have short necks?

does giraffes have short necks?

Enivronment, which is the probable principal source of nitrates and phospha...

which is the probable principal source of nitrates and phosphate a. the water cycle b. nitrogen fixation c. bacterial decay d. change in environmental temperature e. changes in lig

How to make a constellarium, How to make a constellarium A constellariu...

How to make a constellarium A constellarium is a simple device used in teaching the shapes of several constellations. Get a cardboard or wood box and remove one end. Draw the s

Aggression as a learned response, Aggression as a Learned Response:   To...

Aggression as a Learned Response:   To elaborate  this further,  let us assume that you are preparing for an exam or reading something that requires concentration. Your neighbou

Roundworms, how do they protecte themselves

how do they protecte themselves

Describe wet bulb thermometer, Question: a) Describe wet bulb thermomet...

Question: a) Describe wet bulb thermometer and wet bulb temperature. b) What happens to the volume of a rising parcel of air and of a sinking parcel of air? c) What do yo

Moving water by reducing air pressure, Moving water by reducing air pressur...

Moving water by reducing air pressure Secure two small bottles. Fill single about half full of water and close it with a single-hole stopper carrying a length of glass tube tha