Available Answers

1. 1.

   Match the following.

   1. Breathe in and out	a. vibration
   2. Felt by the lateral line	b. locomotion
   3. Protecting natural resources	c. hibernation
   4. Movement	d. respiration
   5. Some animals do this in water	e. conservation

    

2. 2.

   Mark the following T(True) or F(False). Correct the statements that are incorrect.

   1. Viruses cause illness such as influenza and chickenpox.
   2. To pasteurize milk we filter it.
   3. The biceps and triceps are involuntary muscles.
   4. Nerves link every part of the body to the brain.
   5. Cerebrum in the brain controls our memory, thinking, and reasoning.
3. 3.

   Choose the best answer for each of the following.

   1. A mineral that makes soil fertile.
      1. granite
      2. mica
      3. potassium
   2. Part of the atmosphere closest to the Earth.
      1. stratosphere
      2. hemisphere
      3. troposphere
   3. A gas which protects us from harmful rays.
      1. helium
      2. ozone
      3. neon
   4. Objects through which only a little light can pass.
      1. opaque
      2. transparent
      3. translucent
   5. A luminous body in the sky.
      1. planet
      2. star
      3. moon
4. 4.

   Do birds have lungs? How do they breathe?
5. 5.

   What are the main ways in which seeds are dispersed?
6. 6.

   How is chickenpox caused?