A scientist collected the following data on algal growth during an experiment: Which of the following conclusions could be drawn from the data?

Algae multiply most rapidly at 20°C.

Algae multiply most rapidly at 35°C.

Algae multiply most slowly at 20°C.

Algae multiply most slowly at 10°C.

Trent placed a frozen pizza in the microwave. After 30 seconds, the pizza was still frozen. After 60 seconds, the pizza was thawed but still cold. The pizza was finally ready to eat after 120 seconds. Based on his observations, what can Trent infer about microwaves? A.P. B.TC.T D.

The longer food is cooked in a microwave, the more its temperature increases.

izzas taste better when they are cooked in an oven rather than a microwave.

he longer food is cooked in a microwave, the more its temperature decreases.

Pizzas take longer to cook in the microwave than hot dogs.

Dr. Peterson does an experiment to research the growth rate of mice. He has two groups of mice. He feeds one group a type of food and adds chemical A, which is supposed to increase growth rate. The other group he feeds the same food without chemical A added. His research shows that chemical A increases growth rate by 30%. He does the experiment 4 times and comes up with the same result each time. Dr. Peterson concludes that chemical A does increase the growth rate of mice. Is Dr. Peterson's conclusion supported by scientific knowledge?

Yes; his conclusion is supported by evidence from his experiment.

Yes; any study that involves a percentage is based on scientific knowledge.

No; science cannot be used to research small animals such as mice.

No; scientific knowledge never comes from research or experiments.

Sean enjoys studying the stars. He used a photometry tool to calculate several stars' apparent magnitudes (how bright a star looks in the sky). He then researched the stars' distances from Earth. He recorded his results in the table below. What conclusions can Sean draw from his chart?

A star's apparent magnitude is not directly related to its distance from Earth.

A star's apparent magnitude increases as its distance from Earth increases.

A star's apparent magnitude decreases as its distance from Earth increases.

A star's apparent magnitude decreases if it is very close to another star.

A scientist is studying which flower color attracts the most bees. To do this, the scientist releases a group of ten honey bees into a chamber with white walls. The chamber contains potted flowers of the following varieties: yellow daffodils, red roses, white daisies, purple asters, and orange lilies. The results of the experiment is shown in the table below: From the data, the scientist concludes that bees prefer red flowers. Are the scientist's conclusions valid?

Not necessarily; the honey bees may have been attracted to traits other than flower color.

Yes, the honey bees visited the red roses 34 times during the experiment, which was 4 more times than the next popular flower, the orange lily.

Yes, bees are always attracted to the brightest colored flower, which is why there are very few kinds of white flowers.

No, the honey bees showed relatively the same interest in all of the flowers except the daffodils.

Mary thought that the number of frogs in the neighborhood pond had decreased over the last few years. So, she decided to count the number of frogs she saw around the pond twice each day for ten days. Mary's data is displayed in the table below. Based on her observations, which of the following can Mary infer?

Frogs rest during the afternoon and become more active in the evening.

Frogs are consumed by predators in the morning and are reborn in the evening.

The number of frogs at the pond has steadily declined over the last 2 years.

The number of frogs at the pond has steadily increased over the last 2 years.

A pharmaceutical company states in advertisements that their new ScarX Cream is guaranteed to erase scars in one month. The company based their claims on a study done by the company's dermatologists. The study showed that 84 percent of users said the sizes of their scars were reduced after using the product for 50 days. Do the study results support the company's claims? A. B. C.Y D.

No, the results indicated that the scars were reduced, not erased.

No, no product will ever be able to erase skin scars.

Yes, 84 percent of the study's subjects saw positive results.

Yes, the results indicated the product is effective against scars.

Tabitha wears glasses, and Adrienne does not. Tabitha can see clearly with her glasses on, but not when she takes them off. Adrienne can see clearly without glasses, but when she puts on Tabitha's glasses, she cannot see anything clearly. Which of the following is a good scientific explanation for how glasses affect Tabitha and Adrienne's vision? A. B.C.D.

Glasses change the way light is focused in the eyes.

Glasses always improve a person's vision.

Adrienne's eyes focus light, but Tabitha's eyes do not.

Tabitha likes glasses, but Adrienne does not.

Collecting and Interpreting Data

Authored by Kristen Sevinsky

Other Sciences

6th - 8th Grade

CCSS covered

Used 820+ times

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19 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A 5 kg bowling ball, a 0.25 kg baseball, and a 0.05 kg golf ball are dropped from a 100-meter high building. A camera catches the motion of the balls as they pass specific markers (in meters, m) on the building. The times (in seconds, s) that each object passes the markers are listed in the table below. Which of the following conclusions is true?

Light objects fall faster than heavy ones.

All objects fall at the same rate regardless of mass.

Heavy objects fall faster than light ones.

Objects of different shapes fall at the same rate

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tony recorded data from his chemistry experiment in the following table. Which of the categories from Tony's data table includes qualitative observations?

color

temperature

mass

volume

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following units would be the most appropriate for measuring the length of a football field?

mililiters

centimeters

meters

kilometers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Inferences are

never made by scientists.

questions that are made by studying conclusions or predictions.

conclusions or predictions that are made by studying observations.

exactly the same as observations

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The level of closeness between multiple measurements of the same quantity is called __________.

accuracy

similarity

precision

congruence

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mr. Swanson's science class used a thermometer to measure the outside temperature each day throughout the school year.
They used their results to make the graph below.

Which month had an average daily temperature of around 41 degrees?

May

April

December

March

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The pictures below show a field that is being studied over time. In the field, there are rabbits (red circles) and foxes (blue circles). What conclusion can be drawn from these observations?

The number of foxes decreases as the number of rabbits increases.

The number of rabbits and foxes remains constant over time.

The number of foxes remains constant while the number of rabbits decreases.

The number of foxes increases while the number of rabbits decreases.

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Collecting and Interpreting Data

Tony recorded data from his chemistry experiment in the following table. Which of the categories from Tony's data table includes qualitative observations?

Which of the following units would be the most appropriate for measuring the length of a football field?

Inferences are

The level of closeness between multiple measurements of the same quantity is called __________.

Mr. Swanson's science class used a thermometer to measure the outside temperature each day throughout the school year.They used their results to make the graph below.Which month had an average daily temperature of around 41 degrees?

The pictures below show a field that is being studied over time. In the field, there are rabbits (red circles) and foxes (blue circles). What conclusion can be drawn from these observations?

A scientist collected the following data on algal growth during an experiment:Which of the following conclusions could be drawn from the data?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Other Sciences

Mr. Swanson's science class used a thermometer to measure the outside temperature each day throughout the school year.
They used their results to make the graph below.

Which month had an average daily temperature of around 41 degrees?

A scientist collected the following data on algal growth during an experiment:
Which of the following conclusions could be drawn from the data?