What is reflective mode? Reflection mode: In reflection mode, an ultrasonic transmitter emits a short burst of sound in a particular direction. The pulse bounces off a target and returns to the receiver after a time interval. The receiver records the length of this time interval and calculates the distance traveled based on the speed […]
Is netball a girl sport?
Is netball a girl sport? Netball occupies the rather unique position of being one of the few sports that is almost exclusively played by women. Although almost 20,000 men played netball every fortnight in 2019, in both mixed and all-male teams, after primary school netball is pretty much a women’s sport. Which is better netball […]
What are the 3 types of diffusion?
What are the 3 types of diffusion? 1 Answer. Simple diffusion, osmosis and facilitated diffusion. Why do substances move in and out of cells? Substances move in and out of cells by diffusion down a concentration gradient, through a partially permeable membrane. The efficiency of movement of substances in and out of a cell is […]
How do you make an electric motor more powerful?
Can you hit a piece of tissue in mid air with the same amount of force that you can hit a heavy bag?
What is seesaw used for?
What is seesaw used for? Seesaw is a simple way for teachers and students to record and share what’s happening in the classroom. Seesaw gives students a place to document their learning, be creative and learn how to use technology. Each student gets their own journal and will add things to it, like photos, videos, […]
What are two ways to charge an object?
What are two ways to charge an object? There are three ways to charge an object: friction, conduction and induction. Friction involves rubbing on material with another, resulting in electrons moving from one surface to another. Why is there so much static electricity in my house? Static increases when the air gets cold and humidity […]
Which statement best describes the joy and benefits of playing?
Which statement best describes the joy and benefits of playing? Playing individual sports helps a person advance mental and physical skills and improves overall health and fitness. -BEST describes the joy and benefits of playing an individual sport. What is the proper way to increase progression in weight training? The proper way to increase progression […]
What is the relationship between valence electrons and ionic charge?
What is the relationship between valence electrons and ionic charge? When forming ions, elements typically gain or lose the minimum number of electrons necessary to achieve a full octet. For example, fluorine has seven valence electrons, so it is most likely to gain one electron to form an ion with a 1- charge. What happens […]
What is Mendelian law of inheritance?
What is Mendelian law of inheritance? Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Offspring therefore inherit one genetic allele from each parent when sex cells unite in fertilization. … What is […]