- 1 6 Bài soạn "Cách làm bài văn nghị luận về một đoạn thơ, bài thơ" lớp 9 hay nhất
- 2 6 Bài soạn "Chủ đề và dàn bài của bài văn tự sự" lớp 6 hay nhất
- 3 6 Bài soạn "Đề văn biểu cảm và cách làm bài văn biểu cảm" lớp 7 hay nhất
- 4 6 Bài soạn "Cách làm bài văn biểu cảm về tác phẩm văn học" lớp 7 hay nhất
- 5 10 Bài văn so sánh hình ảnh người lính trong hai bài thơ "Đồng chí" và "Bài thơ về tiểu đội xe không kính" lớp 9 hay nhất
- 6 6 Bài soạn "Đề văn thuyết minh và cách làm bài văn thuyết minh" hay nhất
- 7 8 Bài văn cảm nhận về khổ thơ cuối bài "Sang thu" của Hữu Thỉnh lớp 9 hay nhất
- 8 6 Bài soạn "Tìm hiểu đề và cách làm bài văn tự sự" lớp 6 hay nhất
- 9 5 Bài soạn Phân tích đề, lập dàn ý bài văn nghị luận (Ngữ Văn 11) hay nhất
- 10 6 Bài soạn "Luyện tập: Đưa yếu tố biểu cảm vào bài văn nghị luận" lớp 8 hay nhất
Introduction to Media and Technology
Facebook does more than expand one’s circle of friends from a few dozen to a few hundred. It changes the way we interact with our world. (Photo courtesy of Frederick M. Drocks/flickr) How many good friends do you have? How many ...
Bulk Transport
In addition to moving small ions and molecules through the membrane, cells also need to remove and take in larger molecules and particles (see [link] for examples). Some cells are even capable of engulfing entire unicellular microorganisms. You might have ...
Citric Acid Cycle and Oxidative Phosphorylation
In eukaryotic cells, the pyruvate molecules produced at the end of glycolysis are transported into mitochondria, which are sites of cellular respiration. If oxygen is available, aerobic respiration will go forward. In mitochondria, pyruvate will be ...
Digestive System Regulation
The brain is the control center for the sensation of hunger and satiety. The functions of the digestive system are regulated through neural and hormonal responses. In reaction to the smell, sight, or thought of food, like that shown in [link], the first ...
Endocrine System
The endocrine system produces hormones that function to control and regulate many different body processes. The endocrine system coordinates with the nervous system to control the functions of the other organ systems. Cells of the endocrine system produce ...
Limits of Resolution: The Rayleigh Criterion
Light diffracts as it moves through space, bending around obstacles, interfering constructively and destructively. While this can be used as a spectroscopic tool—a diffraction grating disperses light according to wavelength, for example, and is used to ...
Bone Classification
The 206 bones that compose the adult skeleton are divided into five categories based on their shapes ([link]). Their shapes and their functions are related such that each categorical shape of bone has a distinct function. Classifications of Bones Bones ...
Physics: An Introduction
The flight formations of migratory birds such as Canada geese are governed by the laws of physics. (credit: David Merrett) The physical universe is enormously complex in its detail. Every day, each of us observes a great variety of ...
Force on a Moving Charge in a Magnetic Field: Examples and Applications
Magnetic force can cause a charged particle to move in a circular or spiral path. Cosmic rays are energetic charged particles in outer space, some of which approach the Earth. They can be forced into spiral paths by the Earth’s magnetic field. Protons ...
Introduction to Race and Ethnicity
Race and ethnicity are part of the human experience. How do racial and ethnic diversity play in a role in who we are? (Photo courtesy of Agecom Bahia/flickr) In a mixed vocational/academic high school, Ms. Ellis grades papers for her ...




