Kindergarten Objects Sink Or Float Lesson Plan Example (Science)

Topic: Objects sink or float

Objectives & Outcomes

Students will be able to predict whether an object will sink or float in water.

Materials

Various objects such as a piece of paper, a pencil, a popsicle stick, a balloon, a rock, and a small toy boat

Large container of water

Floating marker (such as a small piece of cardboard cut-out with a hole in the middle)

Poster paper and markers

Warm-up

Show the students the various objects and ask them if they think each object will sink or float in the water. Encourage them to use reasoning to support their answers.

Have the students make a list of the objects and their predictions, then review the list as a class.

Direct Instruction

Explain to the students that some objects will sink and others will float in water. Explain that this is because of the different materials that the objects are made of.

Ask the students to name some materials that are lighter than water, and some that are heavier than water.

Have the students test the objects in the water tank to see which ones sink and which ones float.

Guided Practice

Divide the students into small groups and give each group several objects to test in the water tank.

Have the students use the tongs to place the objects in the water and observe which ones sink and which ones float.

Ask the students why they think the objects are behaving the way they are.

Independent Practice

Have the students choose two objects to test in the water tank.

Have them use the tongs to place the objects in the water tank and observe whether they sink or float.

Ask the students to write a sentence describing whether their two chosen objects sink or float.

Closure

Have the students share their observations and sentences with the class.

Ask the students to explain why some objects sink and others float.

Review the terms "sink" and "float" and ask the students to give examples of objects that sink and float.

Assessment

Observe the students during the independent practice to see if they are able to observe objects and write sentences about their sinking or floating.

Collect the students' written observations and evaluate their use of the terms "sink" and "float"

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