Grade 3 Science

Optional Unit: Heating and Cooling

Unit Overview:

Sources of heat, the nature of heat and heat transfer, and the effect of heat on matter are considered in this unit.

Related units:

These topics can be discussed in relation to those in the Core Unit Properties of Matter and the Optional Unit Fire and Fuels.

Suggested themes:

conservation of energy, cooling, energy, heating, homes

Factors of scientific literacy that should be emphasized:

• B2 interaction
• B5 perception
• B10 cause-effect
• B13 energy-matter
• C2 communicating
• C6 questioning
• C9 inferring
• D1 science and technology
• E3 using equipment safely
• F1 longing to know and understand
• G1 interest

Common Essential Learnings foundational objectives which should be emphasized:

• To develop a contemporary view of technology. (TL)
• To develop students' abilities to meet their own learning needs. (IL)

Science foundational and learning objectives:

1. Recognize common sources of heat.
   1. Describe how other forms of energy can be converted into heat energy.
   2. Describe how to detect the presence of heat.
   3. Observe how heat can be transferred from one object to another.
   4. Experiment with aiding and inhibiting heat transfer.
   5. Contrast the concept of heat with the term "cold."
2. Describe the effect of heat on matter.
   1. Observe and describe the effect of heat on solids.
   2. Observe and describe the effect of heat on liquids.
   3. Use the terms for the common changes of state.
   4. Develop operational definitions for changes of state.