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- Multiple ChoicePlease save your changes before editing any questions.A _____________________ is something that scientists use to represent an object or processmassmattermodelweight
- Multiple ChoicePlease save your changes before editing any questions.Which of these is not a model?hot wheels/match box caraction figure dolldump trucka picture of the inside of humdinger
- Multiple ChoicePlease save your changes before editing any questions.Sal is studying the solar system. He makes a physical model using different-sized foam balls to represent the planets. Which best describes why a physical model is a useful tool for studying the solar system?Solar system models can be used to study a system that is too big to study directly.A model of the solar system eliminates the need for scientists to study the solar system directly.A model of the solar system provides an exact replica of the actual solar system, so scientists can experience what each planet is like.A model of the solar system can provide more data about the solar system than direct observations.
- Multiple ChoicePlease save your changes before editing any questions.Facts, figures and other evidence collectedPieCakeMathData
- Multiple ChoicePlease save your changes before editing any questions.Creating representations of complex objects or processes.evaluatingmaking modelsscientific investigation
- Multiple ChoicePlease save your changes before editing any questions.
Pick the reasons why we use models
Models are expensive
Models help you understand complex systems
Models are used when systems are too expensive or impossible to use
- Multiple ChoicePlease save your changes before editing any questions.
Models can be helpful in scientific investigations because
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.
all of the above
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.What is the advantage of creating a model of a dinosaur?they are too large to easily studythey are too complicated to studyReal dinosaurs cannot be studied because they are extinctThe model is safer to work with.
- Multiple ChoicePlease save your changes before editing any questions.True or False--A model can never be revised.truefalse
- Multiple ChoicePlease save your changes before editing any questions.Making models involves creating representations of complex objects or processes to help people study and understand things that cannot be observed directly.TrueFalse
- Multiple ChoicePlease save your changes before editing any questions.
Which of the statements are INCORRECT about models.
Models must be exactly like what is being modeled.
Models communicate information.
Models can be constructed.
Models can be drawings with labels.