Lesson Plans >
will use critical thinking skills to formulate a hypothesis.
Resources: Teacher: A deep bowl or wide-mouth jar, water,
a wooden block, balance scale, masking tape.For each Group: A deep
bowl or wide-mouth jar, water, orange.
- Divide the class
- Hand out materials.
- Demonstrate for
the class that floating objects displace (push out) as much water as
-Fill a large container with water halfway.
-Mark level of water with masking tape.
-Place wooden block in the water.
-Remove water from container and place in balance pan. Continue this
until level of water is back to level mark.
-Remove block from water and place in balance pan opposite water.
-Water and black should balance.
- Discuss the results.
- Instruct students
to place oranges in their containers that are filled halfway with water.
- Have students remove
peeling of orange and try floating it.
- Have each team
tke the orange apart and try floating each section.
- Teams should discuss
and write about results.