A person who asks questions about the natural world is

• observer

• scientist

• questioner

• naturalist

________________ is the study of the natural world.

• Nature

• Biology

• Scientific Method

• Science

_______________ is a model with depth, width, and height.

• diagram

• two-dimensional model

• graph

• three-dimensional model

Scientists conduct ___________ to answer questions.

• investigations

• problems

• hypothesis

• experiments

A (An)_______________________ is a statement that explains an observation.

• conclusion

• observation

• inference

• hypothesis

A tool for looking at objects that cannot be seen with the eye alone is a _____________________.

• tape measure

• spring scale

• microscope

• pan balance

A ___________________ is a computer program that models an event or object.

• computer model

• video game

• two-dimensional model

• three-dimensional model

A _______________ is used to measure force in units called Newtons.

• meter stick

• pan balance

• tape measure

• spring scale

Bits of information you observe are called _____________.

• data

• science

• inferences

• hypothesis

A ________________ is a map, drawing, or diagram that has length and width.

• table

• science picture

• two-dimensional model

• three-dimensional model