To observe the effect of temperature on an increasing volume of water. minute, then 1 minute 30, and finally 2 minutes. minutes, as this gave the best results. times, then adding 25cm3 of water each time, so from 50cm3 to 350cm3. experiment. The variables in this experiment were Volume and Temperature.
1 Speech and language problems are often the earliest sign of a learning disability. 2  Find out more about language-based learning disabilities. 3  Hearing loss is often overlooked, and easily identified. 4  If your child is speech/language delayed, their hearing should be tested.
(March 2008) (Learn how and when to remove this template message) Language delay is a failure in children to develop language abilities on the usual age appropriate for their developmental timetable. Language delay is distinct from speech delay, in which the speech mechanism itself is the focus of delay. Oral communication is a two-stage process. The first stage is to encode the message into a set of words and sentence structures that convey the required meaning, i.e. into language.