A tool used to make small objects (that can be seen with just your eyes) look bigger. This tool can magnify something about 10 times it size.
What is a hand lens
A picture you create in your mind.
What is a mental model?
Information collected by using the five senses.
What is an observation?
An untested conclusion based on your observations.
What is inference?
A tool used to measure mass.
What is a pan balance?
A computer program that models an event or object.
What is a computer model?
An idea or explanation that can be tested with an investigation.
What is a hypothesis?
Observe, Infer, Communicate, Compare
A tool used to measure force.
What is a spring scale?
Has length and width. It can be a drawing, a diagram, or a map.
What is a two-dimensional model?
Data that supports, or does not support, a hypothesis.
What is evidence?
These are the three types of investigations.
What are research, experiments, and models?
What is a microscope?
What is a three-dimensional model?
An explanation based on evidence.
What is a claim?
Investigations should be done more than once, this is called..
What is repeated trials?
A microscope can magnify something ____ to ____ times its size.
If you want to compare sizes and distances in a model, then you make one of these.
What is a scale model?
One factor that can be changed during an experiment.
What is a variable?
4 steps to conducting an investigation.
1. Form a hypothesis
2. Plan and conduct an investigation
3. Repeat the experiment with different variables
4. Draw a conclusion