Science Worksheet Chapter 14

Science Worksheet Chapter 14

A. Give one word for the following.
1. The vast open space which includes everything that exists as matter or energy.
2. The head of the solar system
3. The planet whose only natural satellite is the moon
4. The name of our galaxy
5. The natural satellite of the earth

B. Answer the following questions.
1. What is universe?
2. What does the solar system consist of?
3. Who is the head of the solar system?
4. What is a star?
5. What is the difference between stars and planets?
6. What is a galaxy? Give the name of our galaxy.
7. What are constellations?
8. What is the movement of planets around the sun in their fixed paths known as?
9.  What is a star?
10. What are planets? Give examples.
11. What are dwarf planets? Give an example.
12. Why is there no life on the moon?
13. What is 'a telescope'? What is its use?

 C. Fill in the blanks.
1. The sun is a huge ball of burning _________________ that gives us ________________
     and __________________.
2. Stars differ greatly in their ____________________.
3. The movement of planets around the sun is called ______________________.
4. The moon has rocky ____________________ and sand-covered
     ___________________.
5. Planets do not ______________________ as they do not have ____________________
    of their own.
6. There are huge holes on the moon called _________________.
7. It takes __________________ days for the earth to complete one revolution.
8. The changes in seasons are caused due to the earth's __________________.

D. Tick the correct answer.
1. The natural satellite of the earth is
    a. the sun         b. the moon         c. Milky way         d. Saturn
 2. A system of stars which is seen as a bright band in the sky is
    a. a constellation     b. a galaxy      c. a planet        d. Pluto
3. The heavenly bodies which move around the sun are
    a. constellations    b. galaxies      c. stars      d. planets
4. The name of our galaxy is
    a. the sun       b. Venus      c. Milky Way     d. the moon
5. A group of stars which forms a recognizable pattern in the sky is called
   a. a constellation    b. a galaxy     c. universe      d. a planet
6. The movement of earth about its axis is called
   a. revolution     b. spinning     c. rotation    d. circulating
7. Which is the direction of spinning of the earth?
   a. east to west   b. north to south    c. west to east     d. south to north
8. The planet closest to the sun is
   a. Earth          b. Mercury           c. Jupiter         d. Mars

E. Complete the following web chart.

 F. Find out ten words related to the universe in the given grid. The names may be
     read forward, backward and across.

Science Worksheet Chapter 6

Science Worksheet Chapter 6

A. Match the following

                    Column A                                                  Column B

1. Respiratory System                               a. Brain, spinal chord and nerves
2. Circulatory System                                b. Kidneys
3. Muscular System                                   c. Heart, blood and blood vessels
4. Nervous System                                    d. Lungs, windpipe, throat, mouth
                                                                     and nasal passage
5. Excretory System                                  e. Mouth, food pipe, stomach, large
                                                                     and small intestines, and anus.
6. Digestive System                                   f. Muscles

B. Answer the following questions.
1.  What is a cell?
2. What is an organ? Give some examples.
3. What is the functiion of the skeletal system?
4. What is the main function of the muscular system?
5. What are the right breathing habits?
6. How does digestion of food take place?
7. What are the organs of the nervous system and what are their functions?
8. Name any two joints in the body.
9. Our skin is also an organ. Keeping this in mind, list the various functions which the skin
    performs.
10. Describe lungs and their activity.
11. How do urine and sweat help our body?
12. Which sides of our body do the left and the right brains control?
13. What is the function of excretory system?
14. Name the main organ of the circulatory system.
15. Name the system helps to produce young ones.
C. Fill in the blanks.
1. Cells of the same size, shape and function are grouped together to form a
    ____________________.
2. ____________________ is the process of removal of all wastes of an organism.
3. The air moves down through the _____________________ and reaches our lungs.
4. ____________________ allow us to bend or twist our body parts.
5. The ____________________ is  the major organ of the circulatory system.
6. An ___________________ performs a specific function.


D. Tick the correct answer.
1. Two or more bones are connected at
    a. muscles                b. tissues                c. joints                    d. organs
2. A group of organs that work together to perform a particular task is called a/an
   a. organ system        b. cell                      c. tissues                  d. joints
3. The systems that helps to produce young ones is the
   a. nervous system    b. reproductive system  c. skeletal system  d. digestive system
4. The system that deals with breathing is known as the
   a. circulatory system  b. muscular system  c. digestive system  d. respiratory system
5. More than one type of tissues together form a/an
  a. organ                     b. organ system      c. cell               d. respiratory system
6. Which of these is the chief organ of the nervous system?
  a. brain                      b. heart                   c. skull             d. lung

E. Complete the following web-chart

 F. Circle the odd one out
1. brain, spinal cord, blood, nerves
2. mouth, food pipe, wind pipe, stomach, intestines
3. kidneys, skin, muscles, lungs
4. lungs, windpipe, throat, bones, nasal passage

G. Define.
1. Blood vessels
2. Breathing
3. Inhaled air
4. Exhaled air
5. Saliva