Unit 1 Flashcards
Science
the study of the natural world
Scientist
a person who asks questions about the natural world
Observation
information collected using the 5 senses
Hypothesis
an idea or explanation that can be tested with an investigation
Investigation
the process scientists use to answer questions
Inference
a statement that explains an observation
Empirical Evidence
data collected through direct observation
Evidence
data gathered during an investigation
Microscope
a tool for looking at objects that cannot be seen with the eye alone and it magnifies more than a hand lens.
Pan Balance
tool used to measure mass with units called grams
Spring Scale
tool used to measure force in units called newtons
Triple Beam Balance
a tool used with one pan and 3 beams to measure mass more accurately than a pan balance
Data
bits of information you observe in numbers or descriptions
Model
represents something real that is too big, too small, too far away, or has too many parts to investigation directly
2D Model
has length and width and can be a drawing, diagram, or a map