Quiz about Nature of Science Review

Question 1

In science, we often gather information with our senses by watching, listening, smelling, and touching. For example, you may record how the color of a flower changes. What is this process called?

Accepted Answer

Making observation

Answer

Stating hypotheses

Answer

Forming conclusions

Answer

Performing experiments

Question 2

Bad Bunny counts the number of people who visit the pool each day for 1 week. He displays his findings on a bar graph. Between which two days did the number of visitors change the most?

Accepted Answer

Tuesday and Wednesday

Answer

Wednesday and Thursday

Answer

Thursday and Friday

Answer

Friday and Saturday

Question 3

Mrs. Nieves wants her class to observe and measure baby mice and record the data in their science journals. One student's journal looks like the illustration shown. What conclusion can the student make based on the data collected?

Accepted Answer

Baby mice can vary in size, color, and activity level

Answer

A mouse will never weigh more than 6g

Answer

Baby mice will never be less than 11 mm in length when they are born

Answer

Brown baby mice are bigger than white baby mice

Question 4

Imagine that a scientist suggests that the size of an insect population depends on temperature. What observations must this scientist make in order to collect evidence to support his or her hypothesis?

Accepted Answer

The scientist must observe the insect population in different areas

Answer

The scientist must observe the insect population only in winter

Answer

The scientist must observe the insect population in the labratory

Answer

The scientist must observe the insect population throughout the year

Question 5

Scientists always develop a plan when they try to learn something new about our natural world. Which sequence correctly shows the steps scientists follow in their plan?

Accepted Answer

Make observations, develop an idea, obtain evidence, suggest an explanation

Answer

Obtain evidence, suggest an explanation, develop an idea, make observations

Answer

Suggest an explanation, obtain evidence, make observations, develop an idea

Answer

Develop an idea, suggest an explanation, obtain evidence, make observations

Question 6

Kyle is wondering what he is getting for his birthday. He decides to shake the box that contains his present. Kyle did not realize it, but he was acting like a scientist. What was the first step Kyle took in his situation that a scientist also takes?

Accepted Answer

Asking a question

Answer

Collecting evidence

Answer

Drawing a conclusion

Answer

Developing an explanation

Question 7

Scientists communicate their results by publishing their work. Why is it important for scientists to do this?

Accepted Answer

To learn from each other

Answer

To keep their work secret

Answer

To compete with other scientists

Answer

So the experiments are not repeated

Question 8

The amount of land covered by water in a wetland can vary. The following chart shows the average percentage of the land in one wetland that is covered by water each month. If a scientist wanted to explore the wetland when the most land was above water, during which of the following seasons should the scientist visit this wetland?

Accepted Answer

Fall

Answer

Spring

Answer

Winter

Answer

Summer

Question 9

Each measuring tool is designed to measure a specific property of an object or material. Which of these tools can be used to measure the volume of a material?

Accepted Answer

Measuring cup

Answer

Measuring tape

Answer

Balance

Answer

Thermometer

Question 10

Which of the following is always an important part of an experiment?

Accepted Answer

Identifying and controlling variables

Answer

Making a working model

Answer

Observing things in nature

Answer

Making drawings of things observed

Question 11

Angela measured the length of a block. How long is the block?

Accepted Answer

5.5 cm

Answer

5 cm

Answer

5 in.

Answer

6.5 in.

Question 12

A science class went on a field trip to study the organisms that live in a steam near the school. Which of these tools would be most useful for making observations about animals living in the stream?

Accepted Answer

Net

Answer

Graduated cylinder

Answer

Telescope

Answer

Digital Scale

Question 13

Which of these is the metric unit for measuring mass?

Accepted Answer

Kilogram

Answer

Liter

Answer

Millimeter

Answer

Pound

Question 14

Which of the following is not a scientific investigation?

Accepted Answer

Writing a letter about why it's important to protect plants and animals

Answer

Performing a controlled experiment

Answer

Using a model to test a hypothesis

Answer

Observing how five caterpillars change into butterflies

Question 15

Which of the following would be best done using repeated observation rather than an experiment?

Accepted Answer

Determine the average number of times during a week in May that a group of bees visits flowers

Answer

Determine whether a diet that includes honey every day will reduce allergies

Answer

Determine which type of flower gives out the strongest scent

Answer

Determine whether a bee hive is stronger than a wasp next

Question 16

Ms. Tomes inferred that a train was approaching rapidly based on the way the noise from the train sounded. Which other skill is Ms. Tomes using?

Accepted Answer

Using time/space relationships

Answer

Classifying

Answer

Communicating results

Answer

Planning an investigation

Question 17

Jose tests the effects of fertilizers on four seeds of the same kind of plant. He gives each plant the same amount of water and sun. The table shows his results. What can Jose conclude about the fertilizers?

Accepted Answer

Fertilizer 2 helps plants grow the tallest

Answer

Plants grow taller with Fertilizer 1 than they do with Fertilizer 2

Answer

Plants grow taller without the fertilizers

Answer

Fertilizer 3 does not help plants grow taller

Question 18

Scientists usually write reports about their investigations. Why do they do this?

Accepted Answer

To communicate their work to other scientists

Answer

To classify resultss

Answer

To ask questions

Answer

To perform experimental trials

Question 19

Study the picture. Which statement demonstrates the most scientific observation?

Accepted Answer

Bubbles are forming and rising

Answer

The water is changing

Answer

The flame is causing a change

Answer

Steam forms when water gets hot

Question 20

The following picture shows two students. What are they doing?

Accepted Answer

Recording an observation

Answer

Asking a question

Answer

Planning an investigation

Answer

Communicating results

Question 21

Ms. Santiago read about droughts, in which the rainfall is significantly lower than average. He has noticed that it has not rained much in his area this month. How could he collect data to find out if his area is experiencing a drought?

Accepted Answer

He could measure the rainfall every day for a month and compare those measurements to the average rainfall for that month

Answer

He could compare the rainfall to other cities

Answer

He could measure the standing water on the ground

Answer

He could measure the temperature each day for a month and compare those measurements to the average temperature for that month

Question 22

The chart shows the steps of the Scientific Method. Which statement is true of this scientific method?

Accepted Answer

It should be considered a flexible guide

Answer

It lists each step according to the importance

Answer

It is the only one that scientists use

Answer

The results should not be communicated if you don't like them

Question 23

Emelie likes doing science experiments. However, she could not understand why the directions said to repeat the experiment three times. Why do scientists repeat their experiments?

Accepted Answer

To make sure that the information they collect is reliable

Answer

To avoid making observations

Answer

To throw out the information they collected earlier

Answer

To develop a new procedure that they can do later

Question 24

A doctor says that drinking two glasses of milk in the morning will give students more energy. Which of the following would be good scientific evidence for or against the doctor's claim?

Accepted Answer

Data from scientific investigations about drinking milk in the morning

Answer

A brochure from the doctor stating the benefits of milk

Answer

A TV advertisement that says drinking milk in the morning gives people plenty of energy

Answer

Statements from five people about how drinking milk in the morning gives them energy

Question 25

Oswald conducted an experiment to determine whether laurel oak trees would grow in very cold weather. Which of his observations is scientifically testable?

Accepted Answer

Young laurel oak trees produce only a few leaves in very cold weather

Answer

The bark of young laurel oak trees feels particularly smooth in very cold weather

Answer

Young laurel oak trees do not like frost

Answer

Young laurel oak trees do not grow to look as nice as when the weather is warm

Question 26

Mr. Kane gave his class their first quiz of the year. It was a rainy day, and now his students dislike rainy days. What word describes his students statement?

Accepted Answer

Opinion

Answer

Inference

Answer

Observation

Answer

Valid conclusion

Question 27

Ms. Ciminese's class has a plant in the only window in the classroom. His students move the plant away from the window to a darker part of the classroom and notice the plant stops growing. They decide to see how light influences plant growth. The class plants five groups of the same type of plant. Each seedling is planted in the same type and amount of soil, kept at the same temperature, given the same amount of water, and placed on the same windowsill. Using dark boxes, the students cover the seedlings as shown in the following table. Which of the following groups of seedlings is the control group?

Accepted Answer

The seedling group with no light

Answer

The seedling group receiving light for a full day

Answer

The seedling group moved from the windowsill

Answer

The seedling group covered with a box for four hours

Question 28

Meteorologists track hurricanes as they develop over oceans. The following illustration shows the anticipated storm of a hurricane that developed in August of 2019 over the Atlantic Ocean. What are meteorologists doing when they create storm tracks such as this one?

Accepted Answer

Predicting

Answer

Testing their ideas

Answer

Explaining how a hurricane develops

Answer

Gathering information to determine the strength of a hurricane

Question 29

Rhianna noticed six brown stains on the sides of her pool. Her friend tells her that she can get rid of the stains by rubbing them with salt. So, Rhianna wants to test which gets rid of the stains the best: rubbing with only a cloth or rubbing with a cloth and salt. She rubs two stains with a cloth and salt. She rubs another two stains with only a cloth. The last two stains she leaves and alone and does not rub. Which of the stains make up the control group for Rhianna's test?

Accepted Answer

The two stains that were not rubbed

Answer

The four stains that were rubbed

Answer

The two stains rubbed with a cloth and salt

Answer

The two stains that were rubbed with only a cloth

Question 30

Alejandro wants to find out if giving a tomato plant liquid plant food increases the number of tomatoes the plant produces. Alejandro chooses six tomato plants that are the same type and the same size. He gives three of the plants liquid food every other day, and gives the three other plants no plant food. He keeps all the other factors the same. What data would be most useful for Gina to collect during her experiment?

Accepted Answer

The number of tomatoes that grow on each plant

Answer

The average mass of each group of tomato plants

Answer

The time it takes for each plant to produce a tomato

Answer

The average diameter of the tomatoes on each plant

Question 31

Scientists usually communicate their results by publishing their work. Why is it important for scientists to do this?

Accepted Answer

To learn from each other

Answer

To gain popularity

Answer

To keep their work a secret

Answer

To compete with other scientists

Question 32

Duanel observes the phases of the moon during a two-week period. He sketches and models the phases and shares his drawings with the class. Which statement BEST describes Duanel's investigation?

Accepted Answer

It involves repeated observations

Answer

It involves testing

Answer

It involves experimentation

Answer

It involves both experimentation and repeated observations

Question 33

For a report, Ms. Navarre wanted to find out how much salt was dissolved in seawater. She placed seawater in a beaker. Then she boiled the seawater until all the water evaporated. Once the water was absent, she drew the diagram below to show how she set up the experiment. Why is it important that Ms. Navarre show exactly how she set up the experiment?

Accepted Answer

So others can repeat it

Answer

To prove that she completed it

Answer

To make her results easy to understand

Answer

To show the evidence that she collected

Question 34

Students will place books under a ramp to change the ramp's height. Then they will measure how far a car travels when it is released at the top of the ramp. Which data table should they use?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 35

Evidence is information produced during scientific investigations. It is important that science be scientifically dependable. Which of the following tells you that evidence is most likely dependable?

Accepted Answer

Data that can be produced repeatedly

Answer

Statements that are vague

Answer

Opinions about the results of the investigation

Answer

More than one result when the investigation is repeated

Question 36

Researchers found that puppies that ate a new brand of dog food grew faster than puppies that did not eat this brand. What could this finding indicate?

Accepted Answer

The new brand of dog food helped puppies grow faster

Answer

The puppies that ate the new brand of dog food ate less

Answer

The puppies that did not eat the new brand of dog food ate more

Answer

The puppies that did not eat the new brand of dog food got sick

Question 37

When Victoria conducts an investigation, she repeats the investigation several times. Why does Victoria do this?

Accepted Answer

To get consistent results

Answer

To create intentions

Answer

To do the work safely

Answer

To be sure the work is correct

Question 38

A biologist took notes on how a population of Roseate Spoonbills adapted to a new environment. Which of her observations is a personal opinion?

Accepted Answer

This population of Roseate Spoonbills is less friendly than other populations

Answer

This population of Roseate Spoonbills is competing with a nearby population of Green Herons

Answer

This population of Roseate Spoonbills is not building as many nests as it did in the other environment

Answer

This population of Roseate Spoonbills is eating about 100 fish a day

Question 39

Esthefany measured how the temperature of ice water changed over time. What would be the best way for her to check her results?

Accepted Answer

Compare results with others doing the same investigation

Answer

Read an article about ice water

Answer

Compare what her science book says about ice water to her results

Answer

Analyze data from an experiment about warm water

Question 40

Henrry did an experiment. Separately, Martin did the exact same experiment. Henrry and Martin found they each got very different results. Which of the following is the best thing Henrry and Martin could do?

Accepted Answer

Perform the experiment again and compare all results

Answer

Find the average of each set of results and use it

Answer

Accept the set of results they think is most correct

Answer

Combine all the results into one set and use the new set

Question 41

Scientists always base their explanations on information, or data, they collect. This information is sometimes listed in a table. For example, the information in the following table was collected by Florida International University. People were asked what they would do if a hurricane were approaching. How can scientists use this information?

Accepted Answer

To explain why people need to be better informed about the importance of evacuation

Answer

To explain where people went when they were evacuated

Answer

To explain why people decided to remain in their homes

Answer

To explain how people followed certain evacuation plans when a hurricane was approaching.

Question 42

Over the years, a scientist collected information about the number of mice living in a field. The following graph shows the information this scientist collected. What is a reasonable prediction to make from this graph?

Accepted Answer

The number of mice in the field will continue to increase

Answer

The number of mice in the field will start to drop

Answer

The number of mice in the field will start to level off

Answer

The number of mice in the field will not be able to be estimated in the future

Question 43

Friction is a force that slows the motion between two objects in contact. Valeria wants to determine how the surfaces of objects affect the amount of friction. Which of the following will help test this?

Accepted Answer

Slide a wooden block across a table then across a rug. Compare and contrast the results.

Answer

Slide a wooden block across a table; slide a metal block across a rug. Compare and contrast the results.

Answer

Slide a wooden block across a table; repeat the action at a faster speed. Compare and contrast the results.

Answer

Slide a wooden block across a table; repeat the action by turning the block on its side. Compare and contrast the results.

Question 44

The graph shows how long it took students to catch a ball after it was dropped. Which conclusion can you draw?

Accepted Answer

Three out of four students took less time on their second try

Answer

On both tries, the students caught the ball in the same amount of time

Answer

Students always take the same amount of time on their second try

Answer

Students always take more time on their second try

Question 45

Sometimes scientists replicate the research of other scientists. Which of the following is most likely a reason scientists do this?

Accepted Answer

To verify that the work is accurate

Answer

To form new theories

Answer

To improve the research

Answer

To win prizes for their work

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