CER baseline Gr7 2021-22

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This is a baseline to test how well with you are doing with your scientific analysis skills. Please answer each question to the best of your ability. The results of this baseline does not affect a student's grade but should be taken seriously with full effort.

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701

702

703

704

31) Based on the data table below, create a claim that best answers the following testable question: How does weight affect the average number of calories needed daily? *

1 point

The less a man weighs the more calories they need.

A man of 154 pounds needs 2450 calories a day

The more a man weighs the more calories they need daily

The weight of a man and calories needed has no direct connection

5) I don't know this information yet

32) Choose a claim that is accurately depicted by the data table below *

1 point

1) All bacteria increases by 2 every half hour

2) As time decreases the amount of bacteria decreases

3) As time increases the amount of bacteria decreases

4) Bacteria sample B increased greater than Bacteria Sample A

5) I don't know this information yet

33) The graph below shows tidal changes in a 24 hour period. Choose a claim that is accurately depicted by the data table below. *

1 point

1) Two times a day, the water level reaches +5.

2) The tide is always greater than average water level

3) At 6 am the average water level is highest

4) At 2 pm the average water level is at its lowest

5) I don't know this information yet

34) *

1 point

1) the onion yield was greater than the beet yield in 2013

2) The butternut squash yield increased from 2011 to 2012

3) The spinach yield was 102 pounds in 2011 and 137 pounds in 2012

4) The acorn squash yield decreased from 2012 to 2013 due to lower temperatures.

5) I don't know this information yet

35) Provide at least 2 pieces of evidence that best supports the following claim: The more water provided the greater the height of the seedling. *

1 point

1) On day 4, the seedling giving the most amount of water reached 5 cm tall

2) On day 4, seedling 1 grew to 2.8 cm and seedling 2 grew to 3.5 cm

3) On day 4, all seedlings grew taller than they started

4) On day 4, seedling 3 grew to 5 cm while seedling 1 only grew to 2.8 and seedling 2 only grew to 3.5

5) I don't know this information yet

36) Provide evidence that best supports the following claim: Heart Rate increases after exercise. *

1 point

1) The bars show that after exercise the heart rate is higher than before exercise

2) The evidence supporting this is in trial 1, the before exercise heart rate was 72 and the after exercise heart rate is 120

3) Evidence to support this is that in Trial 1, the before exercising heart rate is 70 while the after exercise heart rate increased to 124.

4) Evidence to support this is that in all three trials the heart rate increased.

5) I don't know this information yet

37) Provide evidence that best supports the following claim: As temperature increases, solubility increases in 100 g of water. *

1 point

1) The evidence proving this is that NaClO3 can dissolve 140 grams at 50 degrees, while KBr can only dissolve 80 g and NaCl can dissolve 40 g.

2) The evidence proving this is at 50 degrees KBr is able to dissolve 80 g but at 90 degrees KBr is able to dissolve 100 g.

3) The evidence proving this is as the temperature increases, the solubility also increases

4) The evidence proving this is that NaCl is able to dissolve 25 grams at 10 degrees and 40 g at 80 degrees

5) I don't know this information yet

38) Provide evidence that best supports the following claim: NaClO3 has the highest solubility at all temperatures. *

1 point

1) The evidence proving this is that NaClO3 can dissolve 140 grams at 50 degrees, while KBr can only dissolve 80 g and NaCl can dissolve 40 g.

2) The evidence proving this is at 50 degrees KBr is able to dissolve 80 g but at 90 degrees KBr is able to dissolve 100 g.

3) The evidence proving this is as the temperature increases, the solubility also increases

4) The evidence proving this is that NaCl is able to dissolve 25 grams at 10 degrees and 40 g at 80 degrees

5) I don't know this information yet

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