Q.3. Answer in a few words only.
1. Is breaking of cup is a physical or chemichal change?
2. What is chemical change ? give an example.
3. Name the parts of a flower ?
4. Which type of flower is
called a compleate flower ?
5. Name some of the body movements that we need every time.
6. What is the number of bones in a baby?
7. What is a habitat ?
8. Name five aquatic animals.
9. What do you know about cubit ?
Answers
Answer: Q 1 - Breaking of a cup is physical change.
Q 2 - The explosion of fireworks is an example of chemical change. During a chemical change, substances are changed into different substances. Another words, the composition of the substance changes.
Q 3 - The main flower parts are the male part called the stamen and the female part called the pistil. The stamen has two parts: anthers and filaments. The anthers carry the pollen. These are generally yellow in color.
Q 4 - The complete flower contains both male and female reproductive parts. It has all four parts, that is stamen, pistil, sepals, and petals. It is also called as a bisexual flower. The examples include hibiscus, lily, tomato, mango.
Q 5 - Flexion Bending
Abduction Moving away from the reference axis
Adduction Bringing closer to the reference axis
Protrusion Forward
Retrusion Backward.
Q 6 - A baby's body has about 300 bones at birth. These eventually fuse (grow together) to form the 206 bones that adults have. Some of a baby's bones are made entirely of a special material called cartilage . Other bones in a baby are partly made of cartilage.
Q 7 - A habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive. For an animal, that means everything it needs to find and gather food, select a mate, and successfully reproduce. The main components of a habitat are shelter, water, food, and space.
Q 8 - Octopus.
Shark.
Seahorse.
Walrus.
Starfish.
Q 9 - an ancient measure of length, approximately equal to the length of a forearm. It was typically about 18 inches or 44 cm, though there was a long cubit of about 21 inches or 52 cm.
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Answer:
1. Physical change.
2. The change in which an object change to other object is chemical change.