What Is a Cell?
Grade 6 · Science · Cells and Organisms · British Columbia, Canada
Lesson Summary
A cell is the smallest unit of life. All living things are made of one or more cells.
Explanation
Cells are the basic building blocks of all living organisms. They carry out the essential functions of life, such as taking in nutrients, converting those nutrients into energy, and reproducing. Cells were first discovered by Robert Hooke in 1665 when he looked at cork under a microscope. The cell theory states that all living things are made of cells, cells are the basic units of structure and function in life, and all cells come from existing cells.
Practice Questions
Q1: What are the three parts of cell theory?
Answer: All living things are made of cells, the cell is the basic unit of life, and all cells come from existing cells.
Q2: Who first discovered cells, and how?
Answer: Robert Hooke discovered cells in 1665 by observing thin slices of cork under a microscope.
Q3: Why are cells called the building blocks of life?
Answer: Because every living thing is made of cells, and cells carry out all the basic functions needed for life.
People Also Ask
What is What Is a Cell? in Grade 6 Science?+
What Is a Cell? is a lesson in the Cells and Organisms chapter of Grade 6 Science. It is part of the British Columbia, Canada school curriculum and covers key concepts that students need to understand at this level.
What grade level covers What Is a Cell??+
What Is a Cell? is taught in Grade 6 as part of the Science curriculum in British Columbia, Canada.
How can I help my child with Cells and Organisms in Science?+
Start with the lesson summary and explanation on this page. Practice the questions provided, then use TutorTom for personalized, step-by-step help with Cells and Organisms topics.