# 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"