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Variation within a group

3rd grade (Year 4 in England) · 16 questions · Common Core: NGSS.3-LS3-1, NGSS.SEP 4 · England: KS2 Y6 Evolution and inheritance, KS2 Y3–Y4 Working scientifically

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Date

Score/ 16

1
Question 1
Why is variation useful for a group of living things?
- A. It stops them from growing.
- B. It has no use at all.
- C. It makes them all the same.
- D. If conditions change, some individuals may survive better than others.
Question 2
How many pea pods did the class measure altogether?
Answer
3
Question 3
A class measured the length of pea pods all picked from the same kind of plant. Which length was most common?
- A. 6 cm
- B. 7 cm
- C. 8 cm
- D. 9 cm
- E. 10 cm
4
Question 4
Pods from the same kind of pea plant were 6 cm to 10 cm long. What does this show?
- A. Living things of the same kind vary.
- B. The ruler was broken.
- C. All pea pods are identical.
- D. They were different kinds of plant.
Question 5
How many pea pods were 9 cm or longer?
Answer
6
Question 6
A class measured the length of pea pods all picked from the same kind of plant. Which length was most common?
- A. 6 cm
- B. 7 cm
- C. 8 cm
- D. 9 cm
- E. 10 cm
7
Question 7
Why did the class measure lots of pea pods, not just two or three?
- A. A big sample shows the real pattern of variation.
- B. Small samples are always exactly right.
- C. To make the peas grow.
- D. Rulers only work with many pods.
Question 8
How many pea pods were 9 cm or longer?
Answer
9
Question 9
A class measured the length of pea pods all picked from the same kind of plant. Which length was most common?
- A. 6 cm
- B. 7 cm
- C. 8 cm
- D. 9 cm
- E. 10 cm
10
Question 10
Most pods were a medium length, with fewer very short or very long ones. What shape does the bar chart have?
- A. highest at the left end
- B. the same height everywhere
- C. highest at the right end
- D. high in the middle, low at both ends
Question 11
How many pea pods were 9 cm or longer?
Answer
12
Question 12
A class measured the length of pea pods all picked from the same kind of plant. Which length was most common?
- A. 6 cm
- B. 7 cm
- C. 8 cm
- D. 9 cm
- E. 10 cm
13
Question 13
Why did the class measure lots of pea pods, not just two or three?
- A. To make the peas grow.
- B. Rulers only work with many pods.
- C. A big sample shows the real pattern of variation.
- D. Small samples are always exactly right.
Question 14
How many pea pods were 9 cm or longer?
Answer
15
Question 15
A class measured the length of pea pods all picked from the same kind of plant. Which length was most common?
- A. 6 cm
- B. 7 cm
- C. 8 cm
- D. 9 cm
- E. 10 cm
16
Question 16
Why is variation useful for a group of living things?
- A. It makes them all the same.
- B. If conditions change, some individuals may survive better than others.
- C. It has no use at all.
- D. It stops them from growing.

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