Observation and Hypothesis

The cell phone is making noise....

• Qualitative Observation

• Hypothesis

• Inference

• Quanititative Observation

Which statement is an inference about this picture?

• The van is tan.

• The van is inside the KFC.

• The wall is broken.

• Someone has already called 911.

A valid hypothesis must be

• true

• testable

• part of a scientific law

• a random guess

Scientific investigations usually begin with

• making observations and defining problems

• making hypotheses and designing experiments

• making conclusions and sharing results

• gathering data and analyzing it

Tags

NGSS.2-PS1-1

Using your senses to gather information:

• inference

• hypothesis

• conclusion

• observation

Tags

NGSS.2-PS1-1

NGSS.K-2-ETS1-1

Microscopes, telescopes, and thermometers are some of the tools that help scientists make:

• observations

• opinions

• hypotheses

• conclusions

a description that does not include numbers

• qualitative observation

• quantitative observation

• subjective observation

• accurate observation

Answer explanation

Fun Fact: The rafflesia flower smells like rotting flesh. That is a QUALITATIVE observation.

an attempt to explain or interpret an observation

• inference

• observing

• goal of science

• quantitative observation

Which of the following is the first step in the scientific method?

• Formulating a hypothesis

• Conducting an experiment

• Making an observation

• Drawing a conclusion

A hypothesis is best described as:

• A proven fact

• An educated guess

• A random assumption

• A scientific law