If you see something in the classroom or lab that is dangerous, tell the teacher
Right Away or immediately
When scientists go out into the natural world to collect data
Field Investigation
Something made to represent something else and show how it works (like a globe)
model
A statement of personal feeling or belief
opinion

measure the paperclip in millimeters
38 mm

used to measure _______________
Mass (or weight)

A narrow container that measures the volume of liquids
graduated cylinder
watching something carefully and describing what you see
observation
When a scientist designs special tests that are conducted in a closed laboratory. Usually the scientist changes just one variable and measures the effect.
controlled experiment
A science class is doing a lab experiment on liquids. What safety equipment will keep their eyes safe from splashes?
goggles

What temperature does this thermometer show?
20 degrees Celsius
Mr. Jenson's class is observing the growth of one kind of pea plant.The class wants to design an experiment to answer the question, "What amount of water will cause the plants to produce the greatest number of peas?" What could the class do to create the experiment?
give all of the pea plants different amounts of water and count the number of peas that the plants produce
Playing in the lab or bothering another person is
always against the rules

read the graduated cylinder measurement
18 ml
What should you do if there is a spill or accident?
tell the teacher immediately
Helping to clean up the lab or classroom is the job of
Everyone... every student

Ms. Carson's class is doing an experiment to see if a baseball or a tennis ball falls to the ground faster. In the experiment, both balls are dropped at the same time.Which of these experiment setups would be the best for this test?
c
A statement that can be checked to see if it is correct
fact
Read the balance scale weights above
438 grams

This tool is called a _________________
Hand Lens or Magnifying glass
A special way of investigating and explaining what happens in nature.
science
When scientists write down the results of their data collection
record keeping
precise measurements and information from observations that scientists collect
data

measure the screw in centimeters
5 cm

this tool is used to see tiny objects and examine details
microscope