education
What is Surface Tension?
Surface tension is the tendency of liquid surfaces to shrink at rest. This is one of the reasons that some…
What is Peristalsis?
Peristalsis is the movement of a body part through the digestive tract. It consists of a radially symmetrical contraction followed…
What is Programming?
Computer programming is a process of designing and performing computations with a computer. The process involves analyzing problems, generating algorithms,…
What is Tumblr?
Content on Tumblr can be rated PG, PG-13, or R-rated. Tumblr is a popular platform for teens to connect with…
Molar Concentration and Sources of Error
The molar concentration of a substance in a solution is the number of chemical species in the solution per unit…
NEBOSH Courses
To obtain a NEBOSH qualification, you must pass a written exam and practical assessments. The number of assessments and exams…
How to Design a Survey Questionnaire
The purpose of a survey questionnaire is to gather information. It can be cross-sectional or longitudinal. Cross-sectional surveys are administered…
How to Use Scratch to Create a Maths Quiz
Did you know that 80% of Year 10 pupils gave wrong answers in a maths quiz? If you're a teacher…
Ammonium Hydroxide Formula
Ammonium hydroxide is a solution of ammonia and water used in cleaning solutions. It is an antimicrobial agent and a…
How to Become a Gym Trainer
You can work with people of all ages and abilities as a gym trainer. In addition to helping people become…