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The Nature of Science

Last updated over 6 years ago

20 questions

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Nature of science

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Question 20

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Scientists conduct investigations.  What is the MAIN reason for scientific investigations? 

to learn about recent discoveries

to practice doing experiments

to answer questions about the natural world 

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

to improve research

to verify that the work in accurate 

to win prizes

to form new theories

Jamie made some observations and has a question she would like to answer. What should Jamie do next? 

form an opinion

analyze evidence

plan and conduct an investigation

draw conclusions

the number of mice will decrease

the number of mice will even out

the number of mice will increase

whether a new spray will repel mosquitos

how many times per day a robin leaves her nest

how much weight can a new bridge support

how much water a cubic meter of sand can hold

A hypothesis must be testable. Which hypothesis is testable? 

Blue is the best color

Summer is nicer than fall

Dogs are better than cats

A golden retriever can jump higher than a husky

force

mass

volume

weight

Which of these tools would be best for observing the behavior of ants? 

graduated cylinder

scale

hand lense

ruler

What is an example of a SCIENTIFIC observation? 

most people drive red cars

The rock is smooth and gray

what is the best brand of soap?

Jasmine is testing how the amount of fertilizer affects the heights of plants.  Which variable does not need to be controlled? 

the amount of water each plant gets

the amount of fertilizer

the location of the plants 

the height of the plants

Imagine a scientist suggests that the size of an insect population depends on the temperature.  What observations must this scientist use in order to produce evidence to support their claim? 

observe the insect population in a lab

observe the insect population throughout the year 

observe the insect population in different areas

observe the insect population only in winter

summer

fall

winter

spring

Scientists communicate their results by publishing their work. What reasoning explains why this is important? 

to compete with other scientis

to learn from each other

so the experiments are not repeated

to keep their work secret

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

communicating results

using time/space relationships

planning an investigation 

recording an observation

asking a question

planning an investigation

communicating results

Which of these is a measurement for mass? 

centimeter

pound

inch

foot

5 cm

5.5 cm

5 in

6.5 in

Which of the following is not a scientific investigation?

observing how 5 caterpillars change into butterflies

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

performing a controlled experiment

using a model to test a hypothesis

Which tool measures volume?

measuring cup

spring scale

balance

thermometer 