The educated guess scientists make before starting an experiment.
What is a hypothesis?
The movement of soil.
What is erosion?
Distance divided by time.
What is velocity?
Atoms, molecules, cells, tissues, organs, organ systems to this.
What are organisms?
Which variable do you watch and measure throughout an experiment?
What is the dependent variable?
Cell walls, chloroplasts and mitochondria are examples.
What are organelles?
What are trials?
This is the solid outer part of the Earth, and includes the crust.
What is the lithosphere or mantle?
The variables scientists keep the same during an experiment.
What are constants?
This is the sphere of the Earth which contains glaciers.
What is the hydrosphere?
The age of the Earth.
What is 4.5 Billion years?
The measure of how much matter there is, and the measurement of how that matter is effected by gravity.
What are mass and weight?
The passage of genetic instructions from one generation to another.
What is heredity?
The variable scientists manipulate to get their results.
What is an independent variable?
A baby planet that has an irregular shape, no moons and an irregular orbit around the Sun.
What is a dwarf planet?
When two or more molecules combine or exchange particles.
What is a chemical reaction?