1. Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
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2. Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Florida Benchmark
SC.4.N.3.1 Explain that models can be three dimensional, two dimensional, an explanation in your mind, or a computer model.
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3. Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Models and Science
In science, a model represents something real that is too big, too small, or has too many parts to investigate directly.
A mental model is a picture you create in your mind.
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4. Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Models and Science
A two-dimensional model has length and width. It can be a drawing, a diagram, or a map.
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5. Other Models Scientists Use
Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Other Models Scientists Use
Three-Dimensional Models
A three-dimensional model has length, width, and height.
A scale model tells how much smaller or bigger the model is than the real thing. Model trains often are scale models.
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6. Other Models Scientists Use
Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Other Models Scientists Use
Computer Models
A computer model is a computer program that models an event or object.
Some computer models make you feel like you are actually moving through space.
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7. Weather Models Save Lives
Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Weather Models Save Lives
Data from Space
Satellites circle our planet 24 hours a day, sending images and other weather data back to Earth.
This data is called real-time data because scientists see the pictures almost as soon as they are taken.
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8. Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Using Models
Scientists use satellite data to make computer models of weather.
They model hurricanes, tornadoes, and thunderstorms.
The models are used to predict how and where storms will start.
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9. Weather Models Save Lives
Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Weather Models Save Lives
Getting the Word Out
Weather reporters use two-dimensional maps for TV viewers and Internet users.
The maps often show where bad weather is and the path it is traveling.
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10. Review Lesson Five Quiz
Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Review Lesson Five Quiz
Josiah looks at a photograph of a tadpole. He wonders how the tadpole’s body changes as the tadpole grows. What type of model would be most useful for Josiah to observe?
A computer animation that follows a frog through its life cycle.
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11. Review Lesson Five Quiz
Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Review Lesson Five Quiz
Jhamal plans to create a model of a coral reef. What must the scientist do when building the model?
Include the most important parts.
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12. Review Lesson Five Quiz
Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Review Lesson Five Quiz
Jaylyn, a scientist use different models depending on the subject they are studying. What is true about all models?
Models are made by humans.
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13. Review Lesson Five Quiz
Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Review Lesson Five Quiz
Marvyne thinks about how to plant a garden. He imagines where the garden will be. He pictures what will grow in his garden and where. Next, Marvyne draws a picture of his garden. What is he doing?
He is creating a two-dimensional model from a mental model.
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14. Review Lesson Five Quiz
Unit 1 Lesson 5 What Kinds of Models Do Scientists Use?
Review Lesson Five Quiz
Julian reads that a bird’s bones are hollow, but strong. He wants to build a three-dimensional model of a bird. Which material would be his choice to use for bones in his model?
Drinking Straws
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