Sphere and Cone
Sphere:
- A sphere is a three-dimensional shape that is perfectly round, with all points on its surface equidistant from its center.
- It is a type of geometric solid that does not have any edges or vertices.
- Common examples of spheres include balls, planets, and marbles.
Cone:
- A cone is a three-dimensional shape that has a circular base and a curved surface that tapers to a point called the apex.
- It is a type of geometric solid that has one circular face and a vertex that is not on the base.
- Examples of cones include ice cream cones, traffic cones, and party hats.

Summary, Chapter 4 - An Indian-American Women in Space: Kalpana Chawla
- The chapter discusses the inspiring story of Kalpana Chawla, an Indian-American astronaut who made history as the first woman of Indian origin to go to space.
- Kalpana Chawla was born in Karnal, India, and had a passion for flying from a young age.
- She faced many challenges and setbacks in her journey to become an astronaut but never gave up on her dream.
- Kalpana Chawla joined NASA and flew on the Space Shuttle Columbia in 1997, becoming a role model for many young girls around the world.
- Unfortunately, she lost her life in the tragic Columbia space shuttle disaster in 2003, but her legacy continues to inspire future generations of astronauts and space enthusiasts.

It is a shape