education

Surface tension is the tendency of liquid surfaces to shrink at rest. This is one of the reasons that some objects - like razor blades and insects - float on top of liquids. This property allows these objects to have a higher density than…

Peristalsis is the movement of a body part through the digestive tract. It consists of a radially symmetrical contraction followed by a relaxation and propagates in a wave-like fashion in a downward and anterograde direction. There are…

Computer programming is a process of designing and performing computations with a computer. The process involves analyzing problems, generating algorithms, and implementing them in computer systems. Some of the critical tasks of computer…

Content on Tumblr can be rated PG, PG-13, or R-rated. Tumblr is a popular platform for teens to connect with others with similar interests. However, the platform has its dark side. Parents who want to keep their kids out of inappropriate…

The molar concentration of a substance in a solution is the number of chemical species in the solution per unit volume. Molarity is a unit of concentration used in chemistry and is represented by the symbol mol/L or mol/dm3. A substance's…

To obtain a NEBOSH qualification, you must pass a written exam and practical assessments. The number of assessments and exams varies according to the chosen course. You must score certain marks in each section to pass the qualification. The…

The purpose of a survey questionnaire is to gather information. It can be cross-sectional or longitudinal. Cross-sectional surveys are administered to a population sample within a short time. They offer a snapshot of what people are…

Did you know that 80% of Year 10 pupils gave wrong answers in a maths quiz? If you're a teacher looking for a fun way to test your pupils' knowledge, you may want to try using a Scratch activity! This learning project consists of a series…

Ammonium hydroxide is a solution of ammonia and water used in cleaning solutions. It is an antimicrobial agent and a denaturant. It is one of the most commonly used cleaning agents. Ammonia hydroxide is also aqueous ammonia, ammoniacal…

You can work with people of all ages and abilities as a gym trainer. In addition to helping people become fit, you can also make a nice living. You can become certified to train others, which can help you gain the skills and experience…