Nature of Science Cells And More Cells Interactions Interactions pt. 2

100

What is a HYPOTHESIS.
Educated guess using what you know and what you observe.

100

What is the CELL THEORY
states that all organisms are made up of one or more cells, the cell is the basic unit of life, and all cells come from other cells.

100

What is a CELL.
smallest unit of an organism to carry on life functions.

100

What is an organism.
any living thing.

100

What is a biome.
large geographic areas with similar climates and ecosystems; includes tundra, taiga, desert, temperate deciduous forest, temperate rain forest, tropical rain forest, and grassland.

200

What is a control experiment.
An experiment without the Variable.

200

What is the Cell Membrane.
protective outer covering of all cells that regulates the interaction between the cell and the environment.

200

What is the CELL WALL.
rigid structure that encloses, supports, and protects the cells of plants

200

What is a population.
total number of individuals of one species occupying the same area.

200

What is an ENERGY PYRAMID.
model that shows the amount of energy available at each feeding level in an ecosystem.

300

What is replication.
Repeating an experiment over and over to test the results accuracy.

300

What is Cytoplasm.
constantly moving gel-like mixture inside the cell membrane that contains heredity material and is the location of most of a cell’s life processes.

300

What is Chlorophyll.
green, light-trapping pigment in plant chloroplasts that is important in photosynthesis.

300

What is a community.
all the populations of different species that live in an ecosystem.

300

What is the Nitrogen Cycle.
model describing how nitrogen moves from the atmosphere to the soil, to living organisms, and then back to the atmosphere.

400

What is a THEORY.
An Explanation of things or events based on scientific knowledge resulting from many observations and experiments.

400

What is Chloroplast.
green, chlorophyll-containing, plant-cell organelle that uses light energy to produce sugar from carbon dioxide and water.

400

What is Cellular Respiration.
process by which producers and consumers release stored energy from food molecules

400

What is an ecosystem.
all the living organisms that live in an area and the nonliving features of their environment.

400

What is the Carbon Cycle.
model describing how carbon molecules move between the living and nonliving world.

500

What is a Variable.
Something in an experiment that can change.

500

What is the CELL NUCLEUS.
organelle that controls all the activities of a cell and contains hereditary material made of proteins and DNA;

500

What is PHOTOSYNTHESIS.
process by which plants and many other producers use light energy to produce a simple sugar from carbon dioxide and water and give off oxygen.

500

What is a biosphere.
part of Earth that supports life, including the top portion of Earth’s crust, the atmosphere, and all the water on Earth’s surface.

500

What is the Carbon Dioxide - Oxygen Cycle.
model describing how carbon dioxide and oxygen move between plants and Animals.

5th Grade Science

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