Microscopes
The ______ microscope employs several lenses to achieve greater magnification.
What is COMPOUND
The variable that changes in an experiment.
What is DEPENDENT or RESPONDING variable.
A scientific ____ explains WHY natural phenomena occur.
A _____ graph presents data as connected points on a grid defined by a horizontal x-axis and a vertical y-axis.
What is a LINE graph
_____ such as journals, bulletins, and group proceedings form the bulk of primary source material for science and technology. These publications emphasize basic research and peer review.
What are PERIODICALS
The _____ microscope is used to obtain three-dimensional view of a specimen.
What is DISSECTING
The variable that is manipulated in an experiment.
What is INDEPENDENT variable
A scientific ____ summarizes a set of observations about natural phenomena.
What is LAW.
A ____ graph is used to compare quantitative data and qualitative data.
What is a BAR graph
A student wants to create a graph showing the four kingdoms as fractions of all living things on Earth. Which kind of graph would be most appropriate?
Choices: bar graph, histogram, line graph, circle graph
What is a CIRCLE GRAPH
The ____ microscope (TEM) passes a beam of electrons through a thin specimen.
What is TRANSMISSION ELECTRON MICROSCOPE
All the variables that remain the same in an experiment.
What is the CONSTANT variables
Cells come from existing cells.
What is a scientific THEORY
A ___ is used to show a frequency distribution of data.
What is a HISTOGRAM
Which of the following sources would be the least likely to contain reliable and current information?
a) a research report on technology produced by a
private foundation
b) an online encyclopedia of science and technology
What is B - an online encyclopedia of science and technology
The ____ microscope (SEM) scans a narrow beam of electrons onto a specimen.
What is SCANNING ELECTRON MICROSCOPE
The standard to which comparisons are made in an experiment. It is used in an experiment as a way to ensure that your experiment actually works.
What is the CONTROL GROUP.
Objects at rest will stay at rest until a force acts on them.
What is a scientific LAW.
A ____ graph shows data as proportions of a whole.
What is a CIRCLE graph (or a pie chart)
Which of the following is NOT a suitable question on which to base a scientific investigation into transpiration?
A) How does wind affect transpiration in bean plant
seedlings?
B) Which is more beneficial to bean plant seedlings,
photosynthesis or transpiration?
What is B - Which is more beneficial to bean plant seedlings, photosynthesis or transpiration?
I lived in the 1800s and my work with microscopes earned me the nickname "father of microbiology"
Who is Antonie van Leeuwenhoek
A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
What is HYPOTHESIS
Individuals with traits best suited for the environment will survive.
What is a scientific THEORY.
A ____ plot shows data as a collection of many dots on a grid.
What is a SCATTER plot
The International System of Measurement is the standard for scientific work. What is it based upon?
What is the METRIC SYSTEM