Hyphothesis vs Law vs Theory

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

A broad and comprehensive statement of what is thought to be true; it is supported by much evidence.

• hypothesis
• theory
• guess
• fact

An explanation a scientist makes that we can test to see if it is true or not is a _________.

• hypothesis
• theory
• law
• question

Martha is curious as to what happened to the dinosaurs.  She is convinced that a virus spread across the earth and killed all the dinosaurs.  Martha’s idea is called a ________.

• hypothesis
• theory
• law
• question

Which of the following can be used to test a hypothesis?

• experiment
• theory
• law
• variable

Many hypotheses are tested and scientist come up with an explanation based on these hypotheses.

• Fact
• Thoery
• Law
• Hypotheses

In 1859, Charles Darwin described a model of how living things change over time. He described this model and the evidence that supported it in a book called On The Origin of Species. Which scientific term is used to describe a testable model that seeks to explain natural phenomena?

• data

• hypothesis

• theory

• observation

Scientists form _________ hypothesis to answer questions.

• accurate

• short

• mathematical

• testable

Scientists ___________ experiments to make sure the results are meaningful.

• perform

• repeat

• conclude

• communicate

Before a scientific theory is accepted and supported, it has

• been tested by only one scientist.

• been published in scientific journals.

• been tested many times by different scientists.

• been approved by the International Committee of Scientists.