How to Create a Safe and Inclusive Learning Environment for LGBTQIA+ Students

Science 5 Quarter 1 – Module 2: Changes in Materials Due to Heat and Oxygen

Have you ever asked yourself how materials change? How does matter change when applied with heat? When matter is heated enough, its molecules move faster with great energy. It is like watching an ice cube in your palm that becomes smaller until it melts or a boiling water that turns into a steam. If enough heat is added, solid becomes liquid and liquid changes to gas.

Do you know that oxygen forms stable chemical bonds with almost all elements to give the corresponding oxide? Oxygen is a very reactive gas. It has the ability to combine with many materials to form oxides but when it combines with nonmetal, it produces a nonmetal oxide. It is important to learn the changes that matter undergo and its effect in our environment.

This module will help you understand better how materials undergo changes due to heat and oxygen.

The module is divided into three lessons namely:

• Lesson 1: How Materials Change When Applied with Heat

• Lesson 2: Changes in Materials in the Presence or Absence of Oxygen

• Lesson 3: Changes in Materials and Its effect on the Environment

At the end of this module, you will be able to investigate changes that happen in materials under the following:

a. application of heat

b. presence or absence of oxygen

c. its effect on the environment

Science5_Q1_Mod2_ChangesInMaterialsDueToHeatAndOxygen_v2

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