A | B |
life science | study of living things |
scientific methods | steps used by scientist to answer questions and solve problems |
hypothesis | possible explanation or answer to a question |
weight | measure of gravitational force |
controlled experiment | experiment that tests only one factor at a time |
variable | the factor in a controlled experiment that changes |
theory | an explanation for a broad range of hypotheses and observations that have been supported by testing |
technology | the application of knowledge, tools, and materials to solve problems |
compound light microscope | made of a tube with lenses, a stage, and light source |
electron microscope | uses tiny particles of matter to produce magnified images |
model | plan or representation designed to show the structure of an object |
area | measure of how much surface an object has |
volume | amount of space an object occupies or how much space something contains |
mass | amount of matter that something is made of |
temperature | measure of how hot or cold something is |
scale | relationship between the measurements on a model and the actual measurement |
law | descriptive statement that predicts events |
International System of Units | system of measurement used by all scientist around the world |