Page 11 - Innovator's Science-8

Put on your

Thinking cap Problem Solving Skills

A. Darken the correct options in the OMR Sheet: OMR Sheet
1. What is the starting point of scientific investigation?

a. Memorization b. Observation
c. Wonder and curiosity d. Drawing conclusion
Wrong Methods
2. Which natural object helps us measured time through its phases?
a. Sun b. Mars Correct Method

c. Moon d. Earth
3. Why do objects appears bent in water? 1. a b c d
a. Due to gravity b. Due to reflection
2. a b c d
c. Due to sound waves d. Due to refraction of light
4. What force causes a ball thrown up to fall back down?
3. a b c d
a. friction b. gravity
c. energy d. sound
4. a b c d
5. Which of the following conditions would cause air pressure to decrease?
a. cooling of air b. heating of air
5. a b c d
c. decrease of air d. increase of air

B. Fill in the blanks. Observational Skills
1. ___________ plays a major role in improving our lives.
2. ___________ affect our daily lives, agriculture and ever our safety.

3. The Earth lies at a perfect distance from the ___________.
4. The Moon reflects light from the Sun to became visible from ___________.
5. A ___________ surface reflects light evenly, producing a clear image.

C. State whether the given statements are True (T) or False (F). Problem-Solving Skills
1. Microorganisms can be found in a single drop of pond water.

2. Air does not exert pressure on objects in all directions.
3. The puffing of a puri is an example of steam formation inside the dough.
4. A lunar eclipse occurs when the Moon is between the Earth and the Sun.
5. Reflection helps us see objects in mirrors.

D. Short answer type questions. Decision-making Skills
1. Why is one side of a puri thinner than the other?
2. Why has nature created such a vast variety?
3. How are microorganisms helpful and harmful at the same time?

4. How does our body fight infections and stay healthy?
5. Why does a ball fall back to the ground after being thrown up?
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Science-8