Sink Or Float Grade 3 Lesson Plan (Page 2 of 6) in pdf

Sink Or Float Grade 3 Lesson Plan Page 2

3. Take an object that you know will float and one that will

sink (ones they’re not using) and show them how to pre-

dict, then put them in the water and show them how to re-

cord their data.

4. Pass out the worksheets.

5. Pass out the water containers and objects.

6. Have them test their objects and record their information.

7. After everyone’s tested all their objects, pass out t-chart

sheets and have them complete those sheets using their

first sheets for reference.

8. After everyone’s finished, have them share what floated

and sank.

9. Show them the colored soda and diet colored soda and

ask if they think they’ll float or sink.

10. Put them in the water—the colored soda will sink and the

diet colored soda will float.

11. Tell them it’s because the diet colored soda has no sugar

but the colored soda does, and it’s heavier than the artifi-

cial sweetener.

12. Collect the worksheets.

13. Have the students write a journal entry about why they

think things float and sink based on what they saw in the

experiment.

Modeling:

1. Show/explain proper “water etiquette” - not splashing or

spilling or playing in the water.

2. Pick one object that you know sinks and one that floats

(ones that you’re not giving the kids) and using the sheet

they’re going to use or on the board show them how to

predict whether they will float or sink.

3. Put the object in the water and tell the class whether it

sank or floated, then record it under 1st try, then do it

again for 2nd try.

Check for Understanding:

1. Pass out prediction worksheets.

2. Ask the students which column they will put their marks in

for predictions, 1st try and 2nd try.

Guided Practice:

1. Pass out the objects (one for each person in the group,

USDA-NRCS South Missouri Water Quality Project Earth Team Early Childhood Education Program

Sink Or Float Grade 3 Lesson Plan Page 2