Demo Show (PreK-2) .docx - Wartburg College Henrys Law PK-2 Time 60 minutes Standard(s Grade Level PreK-2 2-PS1-4 Construct an argument that some

Demo Show (PreK-2) .docx - Wartburg College Henrys Law PK-2...

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Wartburg College Henry’s Law PK-2 Time: 60 minutes Grade Level: PreK-2 Standard(s): 2-PS1-4: Construct an argument that some changes caused by heating or cooling can be reversed and some cannot. Clarification Statement: Modify this standard so that students are asked to construct an argument as to why certain events happen and back up their argument with evidence. NGSS : Crosscutting Concept : Events have causes that generate observable patterns. Science and Engineering Practices : Construct an argument with evidence to support a claim Objective (cognitive): After participating in experiments, students will be able to explain their thoughts about the movement of gas particles with at least 60% accuracy. Objective (affective): After participating in experiments, students will be able to name at least one new thing that they learned. Objective (psychomotor): After participating in a demonstration about the movement of gas particles, students will be able to use balloons to explain Henry’s Law. Materials & Supplies LISTED: - One Bag of Balloons - Permanent markers - 2 Soda bottles/cans - Exit Slips Anticipatory Set/ Enticement : Start the lesson with a blown up balloon with a happy/laughing face drawn on it on your desk. When students ask about it, tell that it’s your friend (you can pick a name). Ask students if they have ever had a balloon before. Do they know what goes inside a balloon? They should be able to say air . If not, guide them until they get there. Tell students that your balloon friend is laughing because he saw you shake up a soda and open it. Ask students if they know what happens when you shake up a soda. Guide students to answer that the soda will explode on you. Ask them if they know why that happens? Give time for answers .
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