Savvas 8th Ch 2 L4 Models and Systems
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Last updated over 2 years ago
10 questions
1
Scientists test their ideas about things they cannot observe directly by building
Scientists test their ideas about things they cannot observe directly by building
1
Models can help scientists understand a system’s
Models can help scientists understand a system’s
1
Input, output, and process are parts of a(n)
Input, output, and process are parts of a(n)
1
Scientists may use a computer to keep track of the variables in a complex
Scientists may use a computer to keep track of the variables in a complex
1
A(n) simple system is difficult to model.
A(n) simple system is difficult to model.
1
The mercury cycle, water cycle, and rock cycle are all models.
The mercury cycle, water cycle, and rock cycle are all models.
1
Your heart pumping faster when you exercise is an example of input.
Your heart pumping faster when you exercise is an example of input.
1
Scientists may make assumptions to simplify a model.
Scientists may make assumptions to simplify a model.
1
The output of a toaster is electricity.
The output of a toaster is electricity.
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All models are physical objects.
All models are physical objects.