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.
âAPA has no concerns with this and most disability-related language has changed from mental retardation to the more PC [politically correct] âintellectual disabilityâ,â Anju Khubchandani, director of the APAâs Office on Disability Issues, said via e-mail.