Unit 24: Earth Systems and Weather

Day 7 of 30

Weathering: breaking down rocks

3-5Science

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Learning Objective

Students will be able to explore weathering and breaking down rocks.

Today's Lesson

In this lesson, we'll explore weathering: breaking down rocks. Scientific inquiry allows us to investigate and explain natural phenomena.

Weather is what's happening in the atmosphere right now—temperature, precipitation, wind, and clouds. Climate is the average weather pattern in a place over many years. For example, Florida has a warm, humid climate, but the weather on any given day might be sunny, rainy, or stormy. Scientists study weather patterns to make forecasts and understand climate to predict long-term changes. Both affect how we live, dress, and grow food!

As you work through today's material, pay attention to the examples and try to identify the patterns or strategies being used. This will help you apply these concepts to new problems.

Take notes on key points and make connections to what you've already learned in previous lessons.

Key Terms
Investigate

To examine systematically through observation and experiment

Evidence

Observable facts that support or refute a claim

Activities
Instructions
1. Read the background information on weathering: breaking down rocks. 2. Form a hypothesis before beginning. 3. Conduct the investigation following procedures. 4. Record observations and analyze results.
Materials Needed
  • Lab notebook
  • Investigation materials
  • Safety equipment if needed
Practice Problems
1

Name the four main steps of the water cycle.

Hint: Evaporation, condensation, precipitation, and...
2

What causes rain?

Hint: Think about water vapor in clouds.
3

Where does the water go after it rains?

Hint: Some soaks in, some flows away, some evaporates.

Teaching Tip

For this age group: Balance direct instruction with collaborative activities. Allow students to explain their thinking and make connections to prior knowledge when exploring weathering: breaking down rocks.

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