Complete the hypothesis: If I eat too much....

then I will get an upset stomach

Which of the following is the best example of a hypothesis?

If I use tomato juice before my shampoo, then my hair will grow faster due to the nutrients in the juice.

Does tomato juice make hair grow faster?

Scientists create both scientific theories and scientific laws as they make observations and conduct experiments about the natural world. Which of the following statements most accurately compares the difference between scientific theories and scientific laws

sci theories are ideas that explain natural events, while sci laws more reliably predict natural events

sci laws are based on evidence while sci theories are not

sci theories involve only biology, while laws involve all types of science

sci theories involve mathematical equations, while sci laws are based on observations

Atomic theory, which describes the atoms that make up matter, has been explored for centuries. Scientists in Ancient Greece first proposed that matter was made of units called atoms. For many years, scientists thought atoms were solid and could not be divided. Then, in the nineteenth century, scientists began to discover the particles that make up atoms. Modern techniques have allowed scientists to split atoms into increasingly smaller particles. Which of the following statements about theories is supported by the history of the atomic theory?

Theories can change in response to new evidence.

If new evidence contradicts earlier theories, it is a result of an experimental error

Experiments with modern equipment can not be used to support earlier theories

A theory is discarded when new evidence contradicts a part of the theory.

Scrutiny of scientific research by other scientists in a similar field who consider the research in terms of its validity, significance and originality.

Your friends review your scientific research and tell you what to do.

Reviewing scientific research after it has been published to check for validity, significance and originality.

The purpose of a peer review in science is

to make sure no incorrect or faulty data enters the public arena.

To make sure you have not made any mistakes.

to find out how effective your research is.

What is meant by "peer review" in science?

Looking over someone's work before publication

Something that supports or refutes an idea.

Observations, Hypothesis, Theories, Models, and Laws

Quiz

•

Biology

•

8th - 9th Grade

•

Practice Problem

•

Hard

•

NGSS

HS-PS1-2, HS-LS4-2, HS-LS3-1

+6

Standards-aligned

Charles Martinez

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Scientific theories are based on

general assumptions of how systems work.

mathematical principles that can be proven true.

large amounts of data collected over time.

observations from within only one scientific discipline.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A well-substantiated explanation of some aspect of the natural world that can incorporate facts, laws, inferences, and tested hypotheses.

Fact

Theory

Law

Conclusion

Tags

NGSS.HS-LS3-2

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An observation or prediction that can be tested.

Law

Theory

Hypothesis

Fact

Tags

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

________ is the process of obtaining information by using the senses.

analyze

inference

observation

hypothesis

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What's the difference between a hypothesis and a theory?

a. A theory is a guess and a hypothesis is a fact.

b. Hypotheses can't be proven; theories can.

c. Theories have been confirmed through tests; hypotheses haven't.

d. Theories contain many hypotheses; a hypothesis only contains one theory

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Evolution is one example of a theory. From what you know about the scientific method, what can you conclude about this biological theory?

a. It's been tested many times.

b. Scientists don't need to test it anymore

c. No one is allowed to test whether it's true or not.

d. There is very little evidence to support it.

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A testable idea or explanation that leads to scientific investigation based on prior knowledge is known as:

theory

experiment

observation

hypothesis

Tags

NGSS.HS-LS3-1

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Observations, Hypothesis, Theories, Models, and Laws

20 questions

Scientific theories are based on

A well-substantiated explanation of some aspect of the natural world that can incorporate facts, laws, inferences, and tested hypotheses.

An observation or prediction that can be tested.

________ is the process of obtaining information by using the senses.

What's the difference between a hypothesis and a theory?

Evolution is one example of a theory. From what you know about the scientific method, what can you conclude about this biological theory?

A testable idea or explanation that leads to scientific investigation based on prior knowledge is known as:

Complete the hypothesis:
If I eat too much....

If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?

True or False: If your hypothesis is wrong, you must have conducted your experiment with errors and must dismiss what you learned.

Access all questions and much more by creating a free account

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Observations, Hypothesis, Theories, Models, and Laws

20 questions

Scientific theories are based on

A well-substantiated explanation of some aspect of the natural world that can incorporate facts, laws, inferences, and tested hypotheses.

An observation or prediction that can be tested.

________ is the process of obtaining information by using the senses.

What's the difference between a hypothesis and a theory?

Evolution is one example of a theory. From what you know about the scientific method, what can you conclude about this biological theory?

A testable idea or explanation that leads to scientific investigation based on prior knowledge is known as:

Complete the hypothesis:If I eat too much....

If plants are exposed to sunlight, then they will grow taller. What part of the scientific method is this an example of?

True or False: If your hypothesis is wrong, you must have conducted your experiment with errors and must dismiss what you learned.

Access all questions and much more by creating a free account

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Complete the hypothesis:
If I eat too much....

If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?