This post provides simple and clear answers to basic science questions for students. These solutions help in better understanding of concepts like scientific method, compass, and Earth.
1. Fill in the blanks
(a) Science is the knowledge acquired through _________ and ___________.
Answer: Observation and experiment
(b) Observation, ___________, and experimentation are the stages of the scientific method.
Answer: Hypothesis
(c) We eat food for _______.
Answer: Growth
(d) _________ is mainly taken as food in Punjab.
Answer: Roti
(e) There is a __________ in a compass.
Answer: Magnet
2. Correct statements (✔ / ✘)
(a) We should always eat healthy food.
✔
(b) We can live without water.
✘
(c) Water falls from the sky as rain.
✔
(d) A suspended magnet always aligns east-west.
✘
(e) The upper parts of the Himalayas and the polar regions are covered with snow.
✔
3. Short Answer Questions
Q: How does Earth look from space?
It looks like a blue marble floating in space.
Q: What is the main component of a compass?
A magnet.
Q: How does a suspended magnet remain aligned?
It aligns along the Earth’s north-south direction due to Earth's magnetic field.
Q: How do sailors find direction at sea?
By using a compass.
Q: What are the stages of the scientific method?
Observation, hypothesis, and experimentation.
4. Multiple Choice Questions
Q1: Which of the following was discovered by the Wright brothers?
(a) Aeroplane (b) Submarine (c) Train (d) Bus
Answer: Aeroplane
Q2: A compass is used for:
(a) Direction (b) Lifting objects (c) Measuring weight (d) Wind speed
Answer: Direction
Additional Questions
1. Fill in the blanks
(a) The Earth is surrounded by a layer of _________.
Ans: Air
(b) The process of finding answers through experiments is called __________.
Ans: Scientific method
(c) A compass always points towards the _________ direction.
Ans: North
(d) We need food to get _________ and energy.
Ans: Strength
(e) The Earth is also called the _________ planet.
Ans: Blue
2. True or False
(a) Air is not necessary for living beings.
Ans: False
(b) A magnet has two poles.
Ans: True
(c) The Sun revolves around the Earth.
Ans: False
(d) Clean water is important for good health.
Ans: True
(e) A compass can be used to find directions.
Ans: True
3. Short Answer Questions
(a) Why is air important for us?
Ans: Air is important because all living beings need it for breathing and survival.
(b) What is a magnet?
Ans: A magnet is an object that attracts iron and has two poles, north and south.
(c) Why do we need clean water?
Ans: We need clean water to stay healthy and prevent diseases.
(d) What do you mean by observation?
Ans: Observation means carefully watching things to gain knowledge.
(e) Name any two sources of food.
Ans: Plants and animals.
4. Multiple Choice Questions
(i) Which of the following is essential for breathing?
(a) Soil
(b) Air
(c) Sunlight
(d) Rocks
Ans: (b) Air
(ii) Which part of the compass shows direction?
(a) Needle
(b) Box
(c) Glass
(d) Cover
Ans: (a) Needle
(iii) Which of the following is a source of food?
(a) Plastic
(b) Plants
(c) Stone
(d) Metal
Ans: (b) Plants
(iv) What do we use to test ideas in science?
(a) Guessing
(b) Experiment
(c) Sleeping
(d) Ignoring
Ans: (b) Experiment
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