A student studying tiny organisms in pond water. How could she better observe critical details?

Study a drop of the pond water under a microscope

Which of the following is not a skill an engineer would use to design a bridge?

designing a controlled experiment

Which of the following is the best definition of engineering?

the application of science and math to solve problems

Which statement best describes technology

the tools, machines, & materials used for practical purposes

In which of the following is a mechanic acting most like a scientist?

A mechanic makes an educated guess and then tests the guess.

For which purpose is a life-cycle analysis most effective?

to figure out the total cost of a technology.

Which of the following statements explains the difference between a law and theory?

theories explain why and laws describe what happens.

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8th Grade Unit 1 Review

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Scientific Method

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Questions 12

Answers

1
Which of the following is not a tool used in engineering and technology?
suspension bridge
power drill
microscope
computer program
2
A student studying tiny organisms in pond water. How could she better observe critical details?
Smell the sample of pond water
Look closely at a test tube filled with the pond water
Rub a few drops of the pond water between her fingers
Study a drop of the pond water under a microscope
3
Which of the following is not a skill an engineer would use to design a bridge?
creative thinking
using math and models
methodical thinking
designing a controlled experiment
4
Which of the following is the best definition of engineering?
the study of the natural world
the application of science and math to solve problems
the use of tools machines, and processes to meet human needs
the application of science for practical purposes
5
Which disciplines do engineers most use to solve real-world problems?
biology, chemistry, and physics
psychology, sociology, and mass communications
science and mathematics
history, geology, and physics
6
Which statement best describes technology
the exploration of the nature of science
the application of science and mathematics to solve problems
the tools, machines, & materials used for practical purposes
the study of the natural world
7
Which of these scientists would most likely engage in fieldwork to observe organisms?
Chemist
physicist
Biologist
Mathematician
8
In which of the following is a mechanic acting most like a scientist?
A mechanic eats a turkey sandwich and soup for lunch.
A mechanic decides which type of oil would be best for a car
A mechanic makes an educated guess and then tests the guess.
A mechanic uses a lift in order to work underneath it.
9
Which of the following characteristics is part of a good scientific experiment?
Results can be reproduced.
Results are not reviewed by peers.
Results are based on a small sample size.
Results are based on an undisclosed process or procedure
10
For which purpose is a life-cycle analysis most effective?
to figure out the total cost of a technology.
to decide whether a technology should be tested
to decide whether to use a risk-benefit analysis
to analyze features of a product compared to other products
11
Which of these phrases describes another characteristic of a good scientific experiment?
results that can be replicated
uncontrolled surroundings
variable procedures for obtaining data
small sample size for collecting data
12
Which of the following statements explains the difference between a law and theory?
theories explain why and laws describe what happens.
Theories are rarely changed and laws are modified frequently
Scientific theories requires evidence but laws do not.
theories are based on observations and laws on opinions.

8th Grade Unit 1 Review Flashcards | StudBud