Module 1
The systematic study of the natural world through observation and experimentation in order to formulate general laws- what is this called?
Science
an educated guess that attempts to explain an observation or answer a question- what is this called?
Hypothesis
blind experiments
the study of the earth's history revealed in the rocks that make up the earth is called what?
Geology
What is anything that has mass and takes up space called?
Matter
The ancients Greeks during the sixth ans seventh century BC are thought to be the world's first real what?
Scientists
what is it called to have an explanation of the natural world that has been thoroughly tested and is supported by a significant amount of evidence?
Scientific theory
Which experiment is it called when neither the experimenters nor the participants know the objects' identities in the setup?
double-blind experiments
The study of life's history as revealed in preserved remains of once-living organisms. What is this called?
Paleontology
The smallest chemical unit of matter
Atom
Science progresses by building on the work of ______?
previous scientists
Science must conform to the ___________
Scientific method
Name the type of graph on the board
Line graph
The study of past human life as revealed by preserved relics- what is this called?
Archaeology
Which represents a chemical change?
1. Ice meltingto water
2. salt dissolving into water
3. shattered glass
4. rusting iron
4. rusting iron- when the materials actually change chemical makeup
The interpretation of scientific data is often dependent on the individual scientist's _____________?
worldview
Based on the graph on the board, what are the units of measured temperature?
F
An archaeologist finds a metal axe buried in a layer of sediment that as covering an ancient city; would he suggest the axe is older or younger than the city?
younger
What is it called when 2 atoms share a pair of electrons?
Covalent bonding
Scientific progress depends not only on scientists, but also depends on ___________&____________.
government and culture
Place the scientific method in the correct order:
Test hypothesis aith experiment
Analyze the results and draw a conclusion
construct a hypothesis
conduct background research
make an observation and ask questions
1. Make an observation and ask questions
2. conduct background research
3. construct hypothesis
4. test the hypothesis wih an experiment
5. analyze the results and draw a conclusion
A chef wants to know if his new sauce recipeis improved from the old one. He invites a group who love the old recipe. Dividing into 2 groups- one group gets new recipe, the other get the old recipe. None- except the chef- know which recipe they are receiving. Which group is the control group?
the froup with the old sauce recipe- if they all think it's the same he can compare the reactions
If a section of tree rings are very thick, what can you say about the growing season?
good conditions, bad conditions, it grew wider rather than taller?
good growing conditions
What are the 2 subatomic particles that are found in the nucleus of an atom?
Protons and neutrons