BELLRINGERS - GRADE 3 SCIENCE                   
(Paulette Cefalu-Walkwitz)

PHYSICAL SCIENCE
1.  How does matter change shape?  Identify examples.

2.  Choose five objects in the room.  List them.  Identify the original material from which the objects were made.

3.  How are common forms of energy used in everyday life?

4.  How does electricity flow through an open and a closed system?

5.  Identify some simple machines.  Identify the tasks that they make possible.

LIFE  SCIENCE

1.  Compare the body structures of birds and insects.

2.  Identify the parts of a plant and describe each function.

3.  Identify the organs in the digestive system and describe the function of each.

4.  What is the function of bones?

5.  Describe what the human body needs to grow.  Describe what the human body needs to be healthy.

6.  How do healthy eating habits help maintain a healthy body.

7.  Identify a well-balanced meal.

EARTH AND SPACE SCIENCE

1.  What is the relationship of minerals to rocks.

2.  What is erosion?

3.  What is weathering?

4.  What is rusting?

5.  What are the characteristics of igneous, metamorphic, and sedimentary rocks?

6.  Identify the components of soil.

7.  Identify characteristics of fossils.

8.  How do fossils provide information about the past?

9.  Draw the water cycle.

10.  Explain the difference between weather and climate.

11.  Identify, in order, the planets of the solar system.

12.  Why does the sun appear to move across the sky?

13.  Explain the difference between rotation and revolution?

SCIENCE AND THE ENVIRONMENT

1.  Describe how living and nonliving components of various ecosystems interact.

2.  Describe how humans have positive and negative effects on organisms and their environment.

3.  Describe how endangered animals have recovered.

4.  Identify examples of animals in Louisiana that are endangered.

5.  What is the difference between renewable and nonrenewable resources?

6.  Identify some renewable and nonrenewable resources.