Our Sense Organs worksheet - Free Printable

Let's solve the problems step by step and explain the reasoning for each answer.

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Problem 1:

Question: A sense organ is ________.
- a) part of the body used to tell us about our surroundings.
- b) one of the ways of telling if a person is intelligent.
- c) an instrument used to produce sounds.
- d) part of the body used to respond to our surroundings.

#### Explanation:
Sense organs are specialized parts of the body that help us perceive information from our environment. They include organs like the eyes (for sight), ears (for hearing), nose (for smell), tongue (for taste), and skin (for touch). These organs collect information and send it to the brain, which interprets the data.

- Option a) "part of the body used to tell us about our surroundings" is correct because sense organs provide us with information about our environment (e.g., what we see, hear, smell, taste, or feel).
- Option b) "one of the ways of telling if a person is intelligent" is incorrect because intelligence is not directly related to having sense organs.
- Option c) "an instrument used to produce sounds" is incorrect because sense organs do not produce sounds; they detect them.
- Option d) "part of the body used to respond to our surroundings" is partially correct but less precise than option a. While sense organs do help us respond to our surroundings, their primary function is to gather information, not to respond directly.

#### Correct Answer:
a) part of the body used to tell us about our surroundings.

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Problem 2:

Question: Our skin is sensitive to ______.
- a) pain only
- b) both touch and sound
- c) temperature only
- d) pressure and temperature

#### Explanation:
The skin is the largest organ in the human body and plays a crucial role in sensing various stimuli. It contains different types of sensory receptors that allow us to detect:

- Touch: Receptors in the skin detect physical contact.
- Temperature: Receptors detect changes in heat and cold.
- Pressure: Receptors detect changes in pressure or force applied to the skin.
- Pain: Receptors detect harmful stimuli that can cause injury.

However, the skin does not detect sound directly (sound is detected by the ears).

- Option a) "pain only" is incorrect because the skin detects more than just pain.
- Option b) "both touch and sound" is incorrect because the skin does not detect sound.
- Option c) "temperature only" is incorrect because the skin detects more than just temperature.
- Option d) "pressure and temperature" is correct because the skin has receptors for both pressure and temperature.

#### Correct Answer:
d) pressure and temperature

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Problem 3:

Question: Our nose helps us to sense ______.
- a) light
- b) taste

#### Explanation:
The nose is primarily involved in the sense of smell. However, it also plays a role in detecting certain aspects of taste because smell and taste are closely linked. When we eat, the aroma of food travels through the nasal passages, enhancing our perception of flavor.

- Option a) "light" is incorrect because the nose does not detect light (that is the job of the eyes).
- Option b) "taste" is correct because the nose contributes to our ability to taste food by detecting its aroma.

#### Correct Answer:
b) taste

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Final Answers:

1. a) part of the body used to tell us about our surroundings.
2. d) pressure and temperature.
3. b) taste.

Boxed Final Answer:
\[
\boxed{a, d, b}
\]