Scientific Method
What is the first step in the scientific method (in an experiment)?
Ask a question
A ____________ is a clear object that is used to see items closer up.
hand lens
an investigation in which all conditions are controlled
experiment
Name two units for length
in, ft, cm, m, km, etc.
Other 100 Google Slide
3.5 in
After asking a question, scientists must form a __________, also known as an educated guess.
hypothesis
Celsius
Another word for "proof." You must collect this from your experiment to prove something.
evidence
Name 2 units to measure time.
seconds, minutes, hours, etc.
Other 200 Google Slide
You use your five senses to make these.
observations
Name three ways to measure length.
ruler, tape measure, meter stick, yard stick, etc.
Another word for "information." This is something you record and collect through observations.
data
milliliters & liters
Other 300 Google Slide
The longer the candle burned
Name three ways scientists can show their data.
bar graph, line graph, table, circle graph, etc.
Name three ways to measure volume.
graduated cylinder, beaker, measuring cup, etc.
This is the part of the experiment that you DO NOT change!
control
Out of these, which unit can be used to measure mass: newton, kilogram, milliliter, meter
kilogram
How do experiments help scientists learn?
Help them obtain evidence to test ideas; collect info. check explanations
Why is it important that scientists share their results of their experiments?
So other people can learn from them.
Name three ways to measure mass.
pan balance, triple-beam balance, electronic balance
Something in an experiment that you CHANGE is called a ___________.
variable
What unit is used to measure force/weight?
Newtons (N)
Which of a following is an experiment in which a person can control a variable?
A. Observe the behavior of bears in the mountains
B. Determine which piece of bread will grow the most mold after washing hands and not washing hands
C. Count the number of flowers that grow in a garden
D. Recording the phases of the moon.
B