1. Cycling around the System
Powerpoint Jeopardy
Nature of Science
Cycling around the System
Chemystery
Laying on the Layers
It’s a Suprise 10 20 30 40 50

2. the brand of paper towels the amount of water absorbed
Curtis conducts an investigation to determine which brand of paper towels is the most absorbent. He records his findings in the table below. What is the test variable (independent variable) in this investigation?
the liquid used
the brand of paper towels
the amount of water absorbed
the time the towels absorbed water
Category
B. The brand of paper towels

3. problem, hypothesis, materials, procedures, conclusion
Which lists the sequence of methods a scientist would likely use if an experiment is being planned to answer a question?
problem, hypothesis, materials, procedures, conclusion
hypothesis, problem, materials, procedures, conclusion
problem, hypothesis, conclusion, materials, procedures
hypothesis, materials, procedures, problem, conclusion
Category
A. problem, hypothesis, materials, procedures, conclusion

4. Which phrase defines a scientific theory? An untested idea
An educated guess
An accepted description
A well supported explanation
D. A well supported explanation

5. a. The sun rises in the east
Bryce observes that the sun always seems to rise in the east. He talks with others and finds out that everyone has the same observation. Which statement is a scientific law?
The sun rises in the east
Why does the sun rise in the east?
The sun appears in the east because of Earth’s rotation pattern
If the sun appears in the east, then I am in the Western Hemisphere
a. The sun rises in the east

6. C. The volume of a gas decreases when the temperature decreases
Lida fills two balloons with the same amount of air. Balloon 1 remains at room temperature. Lida places balloon 2 in a freezer. The following diagram shows that the volume of the balloon in the freezer shrinks. Which statement is a LAW that describes the results of Lida’s balloon experiments?
Decreasing the amount of gas decreases its temperature
The volume of a gas increases when the temperature decreases
The volume of a gas decreases when the temperature decreases
Decreasing temperature decreases the volume of a gas because the molecules slow down.
C. The volume of a gas decreases when the temperature decreases

7. A closed system exchanges energy but do not exchange ______, while an open system exchanges both of these.
Gravity
Matter
Sunlight
Heat
Matter

8. Each of Earth’s cycles processes through all of Earth’s spheres, geosphere, atmosphere, hydrosphere and biosphere, except ____
Carbon cycle
Nitrogen cycle
Phosphorus cycle
Water cycle
C. Phosphorus cycle because it is rarely in the form of a gas

9. The element that makes up the largest percentage of the atmosphere is ______
Oxygen
Nitrogen
Carbon dioxide
ozone
Nitrogen

10. What is NOT part of the water cycle? Transpiration Condensation
Decomposition
Precipitation
C. Decomposition

11. Which of Earth’s spheres is incorrect
Biosphere – includes all living and non living organisms
Hydrosphere - includes all water on Earth, a part of which is frozen water called the cryosphere
Atmosphere – includes all gasses surrounding earth
geosphere – includes the rocky part of earth
Biosphere – includes all living and non living organisms

12. Which law of thermodynamics states “Energy is not created or destroyed, it changes form”?
First
Second
Third
Fourth
A. First A.

13. What is the only factor that can be changed when balancing an equation?
Exponents
Coefficients
Subscripts
Superscripts
B. Coefficients

14. An example of a chemical property is -
point where solid becomes liquid
mass of a substance per unit volume
tendency to undergo oxidation
ability to dissolve in solution
C. Tendency to undergo oxidation

15. Atoms of the same element but different masses due to increased number of neutrons are ______
Ions
Neutronics
Isotopes
Molecules
C. Isotopes

16. What kind of bond is formed between atoms that have positive and negative charges?
Isotopic
Covalent
Neutronic
Ionic
D. Ionic

17. The amount of water on the planet The total of earth’s mass
The density of the Earth is 5.513 g/cm3. This is an average of all of the material on the planet. What is density?
The amount of water on the planet
The total of earth’s mass
How much space earth takes up in the universe
The amount of material in a given space
D. the amount of material (mass) in a given space (volume)

18. Earth’s interior is heated by radioactive decay
Convection is the internal energy transfer that drives volcanic activity. What occurs during convection?
Earth’s interior is heated by radioactive decay
Hot material in Earth’s interior move toward the surface
The material inside Earth are heated by gravitational contraction
The sun warms Earth’s surface, making its interior warm
B. Hot material in Earth’s interior move toward the surfacethe surface

19. Which list include all of Earth’s compositional zones?
a. lithosphere, asthenosphere, mantle
Crust, mantle, atmosphere
Core, mantle, crust
Lithosphere, core, mesophere
Core, mantle, crust

20. Which structural zone is flowing (has plasticity)?
Lithosphere
Asthenosphere
Mesosphere
cryosphere
Asthenosphere

21. Which type is rock is formed by material layering and compacting?
Igneous
Metamorphic
Sedimentary
Pumice
C. sedimentary

22. A jar with a lid on is an example of a ________
Ecosystem
Closed system
Biosphere
Open system
B. Closed system

23. What subatomic particles are represented by an elements atomic number?
The protons
The neutrons
The neutrons plus the protons
The protons and the electrons
D. The protons and the electrons

24. What is the least valuable method to use in identifying minerals?
Color
Streak
Hardness
Cleavage
a. color

25. What is a source of Earth’s magnetic field? Plants & animals
Solar winds
Iron core
Gum
C. Iron core

26. What factors affect gravitational pull?
The number of people on the planet
The distance and mass of objects
The weight of an object
The magnetic force of an object
b. The distance and mass of an object