This term describes a simplified representation of natural phenomena used to explain, predict, and communicate scientific ideas., Scientific Model, What type of model translates a system's workings into numbers, symbols, and formulas?, Mathematical Model, A student uses a globe to study the Earth's continents. What type of scientific model is the globe?, Physical Model, This is scientific model helps scientists visualize abstract systems, such as the water cycle, using diagrams and flow charts., Conceptual Model, When scientists use computer simulations to predict weather patterns, what type of model are they primarily utilizing?, Mathematical Model, A diagram of an atom showing electrons orbiting a nucleus is an example of which model type, Conceptual Model, These are the factors typically used to evaluate the effectiveness of a scientific model, applicability, simplicity, aesthetics and accuracy. Except?, Aesthetics, Using crackers on peanut butter to demonstrate tectonic plate movement is an example of _______________, Physical Model, According to the Particle Model of Matter, what is pure substances?, They have their own kind of particles, This is a state of matter that particles packed closely together in a highly ordered, regular pattern., Solid, What happens to the motion of particles as the temperature of a substance increases?, Particles move faster, What happens to the motion of particles as the temperature of substance decreases?, Particles move slower, What state of matter has particles that are widely separated and can be easily compressed, Gas, What type of solid is characterized by a random, non-repeating arrangement of atoms or molecules?, Amorphous solid, What phase change involves a solid turning directly into a gas without becoming a liquid?, Sublimation, What process is responsible for the formation of frost or snowflakes from water vapor?, Deposition, This describes the phase change of Condesation, Gas to Liquid, What role does Pressure play in phase changes?, It packs particles tighter, Which state of matter has particles that can move and are in close contact, allowing it to take the shape of its container while maintaining a definite volume, Liquid, In the process of Melting, what happens to the energy of the particles?, Kinetic energy increases, What phase change occurs when a liquid turns into a gas ONLY at the surface of the liquid?, Evaporation, What is the systematic approach to gaining knowledge that involves observation, hypothesis formation, and experimentation?, Scientific Method, In an experiment, what variable is the factor that is being measured or reflects the result of manipulation, Dependent Variable, A student tests how different types of soil affect plant growth. What is the independent variable in this study?, Type of Soil, What type of hypothesis states that there is NO significant difference or relationship between the results being tested, Null Hypothesis, Why is it important to have Controlled Variables in an experiment?, To ensure a fair test

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