Science · Grades 6-8

Middle School Science Facts 6-8

General middle school science facts spanning life, earth, and physical science, continuing the elementary science facts ladder.

44 cards · basic cards · AI-written, checked twice. Edit anything.

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What is the basic unit of life?
The cell
What are the three main parts of a cell?
Nucleus, cytoplasm, and cell membrane
What is the process by which plants make their own food using sunlight?
Photosynthesis
What gas do plants need to perform photosynthesis?
Carbon dioxide
What is the process by which cells release energy from food?
Respiration
What does mitosis produce?
Two identical daughter cells
What is the molecule that contains genetic instructions for life?
DNA
The theory that all living things change over long periods of time is called what?
Evolution
What process favors traits that help organisms survive in their environment?
Natural selection
In a food chain, what organism converts solar energy into chemical energy?
Producer
What type of organism eats producers in a food chain?
Primary consumer
What type of organism breaks down dead matter and returns nutrients to soil?
Decomposer
What is a trait that helps an organism survive in its environment called?
Adaptation
A form of a gene that may be hidden by a more dominant form is called what?
Recessive
What is the passing of traits from parent to offspring?
Heredity

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