Qualitative and quantitative observations | Shaughton | - Free Printable

Task Explanation:

The task requires you to classify each observation as either QUALITATIVE (QL) or QUANTITATIVE (QN).

- Qualitative Observations: These are descriptive and subjective, involving qualities like color, texture, taste, etc.
- Quantitative Observations: These are numerical and objective, involving measurements like mass, temperature, length, etc.

Solution:

Let's analyze each statement and classify it accordingly:

---

#### 1. The cup had a mass of 454 grams.
- Classification: QN
- Reason: It involves a numerical measurement (mass in grams).

#### 2. The temperature outside is 250°C.
- Classification: QN
- Reason: It involves a numerical measurement (temperature in degrees Celsius).

#### 3. It is warm outside.
- Classification: QL
- Reason: It describes a feeling or sensation (warmth), which is subjective.

#### 4. The tree is 30 feet tall.
- Classification: QN
- Reason: It involves a numerical measurement (height in feet).

#### 5. The building has 25 stories.
- Classification: QN
- Reason: It involves a numerical count (number of stories).

#### 6. The building is taller than the tree.
- Classification: QL
- Reason: It is a comparative statement without a specific numerical value.

#### 7. The sidewalk is long.
- Classification: QL
- Reason: It describes a quality (length) without a specific numerical value.

#### 8. The sidewalk is 100 meters long.
- Classification: QN
- Reason: It involves a numerical measurement (length in meters).

#### 9. The race was over quickly.
- Classification: QL
- Reason: It describes a quality (speed) without a specific numerical value.

#### 10. The race was over in 10 minutes.
- Classification: QN
- Reason: It involves a numerical measurement (time in minutes).

#### 11. It is light green in colour.
- Classification: QL
- Reason: It describes a quality (color), which is subjective.

#### 12. One leaf is 9 cm long.
- Classification: QN
- Reason: It involves a numerical measurement (length in centimeters).

#### 13. The mass of the game console is 1.5 kg.
- Classification: QN
- Reason: It involves a numerical measurement (mass in kilograms).

#### 14. Igniting hydrogen and oxygen makes a loud popping sound.
- Classification: QL
- Reason: It describes a quality (sound), which is subjective.

#### 15. Carbon dioxide contains 2 oxygen atoms and 1 hydrogen atom.
- Classification: QN
- Reason: It involves a numerical count (atoms).

#### 16. The back of the starfish felt very rough.
- Classification: QL
- Reason: It describes a quality (texture), which is subjective.

#### 17. The veins on the leaf were 3mm long.
- Classification: QN
- Reason: It involves a numerical measurement (length in millimeters).

#### 18. The temperature in the room increased by 8°C.
- Classification: QN
- Reason: It involves a numerical measurement (change in temperature in degrees Celsius).

#### 19. Usain Bolt is faster than you.
- Classification: QL
- Reason: It is a comparative statement without a specific numerical value.

#### 20. Bradon is shorter than Gillon.
- Classification: QL
- Reason: It is a comparative statement without a specific numerical value.

#### 21. The candy was sour.
- Classification: QL
- Reason: It describes a quality (taste), which is subjective.

#### 22. The bug was 5cm long.
- Classification: QN
- Reason: It involves a numerical measurement (length in centimeters).

#### 23. Some clouds are white and some are grey.
- Classification: QL
- Reason: It describes qualities (colors), which are subjective.

#### 24. His hair is reddish-brown.
- Classification: QL
- Reason: It describes a quality (color), which is subjective.

#### 25. Greg has three sisters.
- Classification: QN
- Reason: It involves a numerical count (number of sisters).

---

Final Answer:

Here is the classification for each statement:

1. QN
2. QN
3. QL
4. QN
5. QN
6. QL
7. QL
8. QN
9. QL
10. QN
11. QL
12. QN
13. QN
14. QL
15. QN
16. QL
17. QN
18. QN
19. QL
20. QL
21. QL
22. QN
23. QL
24. QL
25. QN

Boxed Answer:
\[
\boxed{
\begin{array}{l}
1. \text{QN} \\
2. \text{QN} \\
3. \text{QL} \\
4. \text{QN} \\
5. \text{QN} \\
6. \text{QL} \\
7. \text{QL} \\
8. \text{QN} \\
9. \text{QL} \\
10. \text{QN} \\
11. \text{QL} \\
12. \text{QN} \\
13. \text{QN} \\
14. \text{QL} \\
15. \text{QN} \\
16. \text{QL} \\
17. \text{QN} \\
18. \text{QN} \\
19. \text{QL} \\
20. \text{QL} \\
21. \text{QL} \\
22. \text{QN} \\
23. \text{QL} \\
24. \text{QL} \\
25. \text{QN} \\
\end{array}
}
\]