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Lesson Title: Reaction Rates
Properties of Matter
Grade Levels: 4-6
Connection To Curriculum:
Science
Teacher Prep Time: 10 minutes
Lesson Time Needed: 1 hour
Complexity: Basic
Keywords: chemical reactions,
antacid, gas, liquid
Materials:
Antacid tablets (two per test)
Two beakers (or glass or plastic jars)
Tweezers or forceps
Scrap paper
Watch or clock with second hand
Small block of wood
Rock salt
Table salt
Water
Two beakers (or glass or plastic jars)
Tweezers or forceps
Scrap paper
Watch or clock with second hand
Small block of wood
Rock salt
Table salt
Water
Description
A whole antacid tablet and a crushed tablet are added to separate beakers of water so that their relative reaction rates can be compared.
Objectives
Students will:
• Discover conditions that make a reaction proceed faster or slower.
• Demonstrate how increasing the surface area of a chemical increases its reaction rate.
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Lesson Guide Reaction Rates Lesson [126KB PDF file] |
Lesson Activities and Sequence
Antacid Tablet Race
Students explore factors affecting reaction rates.
Keywords: chemical reactions, antacid, reaction rates, gas, liquid
National Standards:
National Science Education Standards, NSTA
Physical Science
• Properties and changes in properties of matter.
Science and Technology
• Abilities of technological design.
• Understanding science and technology.
Physical Science
• Properties and changes in properties of matter.
Science and Technology
• Abilities of technological design.
• Understanding science and technology.