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cer practice question: how does the number of hours of sunlight affect …

Question

cer practice
question: how does the number of hours of sunlight affect the growth of a plant?
claim: the plant that received more light grew more.
evidence: on average, the 6 plants that received 12 hours of light grew 20 cm, had 6 yellow flowers, 15 leaves and were all bright green. the 6 plants that received 6 hours of light grew on average 8 cm, had 2 yellow flowers, 4 leaves and a darker green.
reasoning: plants require light to grow and develop, this is why the plant that received 12 hours of light grew more. we know the plant grew more because it grew taller, had more flowers and more leaves than the plants that received less light.
identify the evidence that is quantitative:

identify the evidence that is qualitative:

what statement in the reasoning tied the claim and evidence together?

Explanation:

Step1: Identify quantitative evidence

Quantitative evidence is numerical. "On average, the 6 plants that received 12 hours of light grew 20 cm, had 6 yellow flowers, 15 leaves. The 6 plants that received 6 hours of light grew on average 8 cm, had 2 yellow flowers, 4 leaves" are numerical data.

Step2: Identify qualitative evidence

Qualitative evidence is non - numerical. "were all bright green" and "a darker green" describe qualities of the plants.

Step3: Find statement tying claim and evidence

The statement "Plants require light to grow and develop, this is why the plant that received 12 hours of light grew more. We know the plant grew more because it grew taller, had more flowers and more leaves than the plants that received less light" ties the claim and evidence.

Answer:

Quantitative evidence: On average, the 6 plants that received 12 hours of light grew 20 cm, had 6 yellow flowers, 15 leaves. The 6 plants that received 6 hours of light grew on average 8 cm, had 2 yellow flowers, 4 leaves.
Qualitative evidence: were all bright green, a darker green.
Statement tying claim and evidence: Plants require light to grow and develop, this is why the plant that received 12 hours of light grew more. We know the plant grew more because it grew taller, had more flowers and more leaves than the plants that received less light.