models and simulations

Front

Which comes first, the model or the simulation?

Back

The model is created first because a simulation needs models to run.

Front

Why do scientists use models?

Back

To test many possible ideas to find solutions to difficult questions.

Front

What is a simulation and why are they used?

Back

A simulation uses one or more models to imitate how those models might function in a real life situation.

Front

Which of the following is a limitation of using a model to study something? A model cannot represent a thing exactly., A model cannot help study things that are dangerous., A model cannot reproduce things that are too far away., a model cannot show things that are too small or too large.

Back

A model cannot represent a thing exactly.

Front

A scientist wants to see what would happen if a truck's tires slipped on ice. What would the scientist use to test how the truck's tires would function in this example?

Back

a simulation

Front

Models can be helpful in scientific investigations because

Back

it may not be possible to work with the real thing, they can be smaller and more manageable than the real thing, they can be safer to work with than the real thing.

Front

The kidneys are organs that filter wastes out of the blood stream. Which of the following objects could best be used to make a simple model of a kidney? block of wood, coffee filter, plastic bag, water pump

Back

coffee filter

Front

A tennis ball could be used to represent the sun because it's round and yellow. Which of the following could also be used to model the sun? a light bulb, an empty cup, an eraser, a Kleenex box

Back

a light bulb

Front

What is the advantage of creating a model of a dinosaur?

Back

Real dinosaurs cannot be studied because they are extinct.

Front

Scientists use a ___ to represent something that has too many parts, is too big, or is too small to investigate in real life.

Back

model