classmate, classroom

mate有同伴、朋友、配偶等意思。Coffee-mate is a coffee whitener lactose[乳糖]-free creamer manufactured by Nestlé, available in powdered, liquid and concentrated liquid forms.

A classroom or schoolroom is a learning space in which both children and adults learn. Classrooms are found in educational institutions of all kinds, ranging from preschools to universities, and may also be found in other places where education or training is provided, such as corporations and religious and humanitarian organizations. The classroom provides a space where learning can take place uninterrupted by outside distractions.

In elementary schools (from Kindergarten through the 5th grade), classrooms can have a whole group of 18 to 30 students and one, two, or even three teachers. When there are two teachers in a classroom, one is the lead teacher and the other one is the associate.

Middle school and high school classrooms are set up quite similar. There is one teacher and students transition from one classroom to the next. They do not stay in one classroom all day. These classrooms can have around 20 students. Students may not exactly have the same group of students in each class depending on the students schedule.

Then college classrooms are set up in a lecture hall or auditorium with one teacher, also called a professor. Typically this teacher has a Teacher Assistant (TA), which is a grad student. This person may help administer or grade tests. They can also hold review sessions for college students to come to once or twice a week.

Some other types of classrooms that a middle/high school or college might have are: computer labs for IT lessons, gymnasiums for sports, and science laboratories for biology, chemistry and physics.

The layout, design and decor of the classroom has a significant effect upon the quality of the educational experience. Attention to the acoustics and colour scheme may reduce distractions and aid concentration. The lighting and furniture likewise influence factors such as student attention span.

The acoustics of the classroom are very often overlooked, but are an important part of the success of a child. Choosing only materials that cause sound to reverberate, such as tile floors and hard wall surfaces, greatly increases noise levels and can prove detrimental to learning. By utilizing soft surfaces, especially on the floor, the sounds within and outside of the classroom will be diminished, taking away from the distractions facing students and improving not just the test scores of hyperactive children, but those without attention deficit disorder as well.

Color theory refers to the effects color has on the human body. Red is said to increase both aggression and appetite, a poor combination for a school's interior. Yellow increases adrenaline [肾上腺素] levels and is also undesirable for a school setting. Blue, green, and brown create a relaxing and calming environment, which is a positive for the classroom. However, blue also is associated with cold and sadness and elongates the sense of time, which would make a blue classroom tortuous for students. Warm colors are often favored by students, making them more alert and increasing brain activity, which helps in increasing test scores. Cool colors had the opposite effect. By balancing warm and cool colors, bright and subdued, a pleasing effect can be achieved that will reduce absenteeism in schools and keep the students focused on what the teacher is saying. Test scores go up when children are not in a stark white environment, which can feel sterile and cold.

Classroom arrangement or the arrangement of furniture is an important aspect because students spend most of their time seated in the classroom. The furniture should be able to move and easy to arrange to allow students to sit in places that are best suited for their learning styles so they can focus on work. Traditionally, classrooms have had one setup: straight rows of desks facing the front of the classroom. This makes it easier for teachers to supervise the students work and catch any students that may be misbehaving, insuring that students stay focused. An alternative to the traditional row style desk pavement is to arrange the desks in groups.

Online learning technologies make it possible for learning to take place at any time, at any place, and at any pace that the learner desires. This is particularly important for adult students who may need to schedule their learning around work and parenting responsibilities. According to the American Society for Training and Development, as of 2014, approximately 25% of employee training hours take place online rather than in a classroom.

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