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Test your basic knowledge |
CSET Subject 2: Science
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Subjects
:
cset
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science
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Is the process of storing energy through photosynthesis and later releasing it through respiration.
Krebb Cycle
Newton's Laws of Motion
Charles' Law
Metaphase
2. As temperature increases volume also increases
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3. Because carbon bonds readily with a variety of different elements and compounds - making possible the great chemical complexity necessary for life.
Carbon
DNA
Isotope
Why is carbon the building block of life?
4. An atom with an imbalanced charge
Ion
Element
Velocity
Steps for the Scientific Method
5. Protects and supports the cell
forces that cause changes in motion
Isotope
Cell wall
characteristics of life?
6. The point around which a lever rotates
Fulcrum
Mitochondria
major types of rocks on the Earth?
life cycle of a butterfly
7. Is a homogeneous mixture in which one substance has dissolved into the other - example: salt water
Atom composition
Solution
Ribosomes
Carbon
8. Anything that has mass and takes up space
Steps for the Scientific Method
Newton's Laws of Motion
A balanced atom
Matter
9. The Moon and the Sun are on opposite sides of the Earth.
Potential energy is
Chloroplast
Lunar eclipse
Protostar
10. Occurs when cooler portions of a liquid or gas flow in to take the place of hotter - rising portions.
eclipses
Convection
Law of Reciprocal Actions
Cell wall
11. Thin - flexible barrier around a cell; regulates what enters and leaves the cell
the stages of mitosis?
Physical Change
Cell membrane
Solution
12. The time required by half the atoms of a particular substance to disintegrate
Compound
50000
Weathering
Half life
13. Unless an object is moving in a vacuum - the object causes...
Neutrons
three states of matter
Unlike temperature - the amount of thermal energy depends on
Displacement
14. Both members of a symbiotic relationship benefit
pH
Mutualism
Motion
Krebb Cycle
15. Energy changes forms but is not created or destroyed.
Mitochondria
Atom
Water
The Law of Conservation of Energy states that
16. Is a substance composed of two or more elements
Law of Inertia
types of symbiotic relationships
Mixture
Compound
17. H2O + CO2 --> CH2O + O2
Chloroplast
Centrifugal force
Law of Acceleration
chemical reaction in photosynthesis
18. Deoxyribonucleic acid
Matter
Atomic Number
shape of the Milky Way
DNA
19. For every action there is an equal and opposite reaction.
Weathering
Geotropism
Telophase
Law of Reciprocal Actions
20. The amount of matter that makes up an atom. You can estimate an atom's atomic mass by adding up the total number of protons and neutrons.
Carbon
Electrons
types of symbiotic relationships
Atomic Mass
21. Plants response to light
Tides
Newton's Laws of Motion
Phototropism
Stars
22. An ion
Velocity
Geotropism
factors that cause a substance to change state
An atom with an imbalance charge
23. A group which resembles the experimental group in all other ways - but on which the hypothesis is not tested. In some clinical trials the control group is given a placebo.
Conduction
The Law of Conservation of Energy states that
Control group
Motion
24. Describes speed and direction
Velocity
Meiosis
Atomic Mass
major fault types
25. Asserts that organisms have changed over time to adapt to the unique and varied demands of their changing environments.
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26. Are caused by the gravitational pull of the Moon and the Sun on the Earth.
Six Simple Machines that reduce effort
Refraction of light
Tides
major types of rocks on the Earth?
27. When the Moon or the Sun are pulling at perpendicular angles we get less extreme tides.
types of symbiotic relationships
energy
Neap tides
evidences for continental drift
28. Organelle found in cells of plants and some other organisms that captures the energy from sunlight and convert it into chemical energy
Six Simple Machines that reduce effort
Experimental group
Chloroplast
categories of taxonomy?
29. 1. State the problem. 2. Form a hypothesis. 3. Observe and experiment. 4. Interpret the data. 5. Draw conclusions.
Mutualism
Suspension
Why is carbon the building block of life?
Steps for the Scientific Method
30. Pulls apart into two separate cells
How energy is measured
Tides
Telophase
Chemical Change
31. Occurs when heat is transferred due to fast moving atoms and molecules colliding with slower ones in a neighboring region.
Cytoplasm
Element
Conduction
Protons
32. Energy in motion
On the Periodic Table chemical properties are loosely organized by
Cell membrane
Kinetic energy is
Radiation
33. A bond in which on atom loses an electron to form a positive ion and the other gains an electron to form a negative ion - creating an electrostatic force which holds them together.
Newton's Laws of Motion
Electrons
Ionic Bonds
Most isotopes
34. 1. by row 2. atomic number and mass increase as you move left to right and top to bottom
How atomic particles on the Periodic Table are organized:
Speed
Water
Metaphase
35. Matter and energy have the properties of both particles and waves
The Theory of Relativity states
forces that cause changes in motion
Quantum Theory states that
wedge
36. This is the motion of objects emitting or reflecting sound waves changing their frequency.
Doppler Effect
Natural selection
Krebb Cycle
Mitosis
37. It spreads the work over a greater distance along the planes of the wedge.
Velocity
Sound waves
wedge
Sun (on HRD)
38. Is the measure of the presence of hydrogen ions in a substance.
Why is carbon the building block of life?
A balanced atom
pH
Charles' Law
39. The types of organisms an ecosystem can support is primarily determined by the amount of...
Water
Kinetic energy is
Reflection of light
Physical Change
40. A fairly typical main sequence star.
Ribosomes
Sun (on HRD)
shape of the Milky Way
The Law of Conservation of Energy states that
41. The Moon is between the Earth and the Sun.
The Law of Conservation of Energy states that
Hertzsprung - Russel diagram (HRD) of spectral class
Solar eclipse
major fault types
42. Stamen
Krebb Cycle
Male sex organ on a flower
Electrons
pH
43. Stored energy
Potential energy is
eclipses
Physical Change
Natural selection
44. Are a progressive disturbance propagated from point to point (with regularity between points)
Waves
Neutrons
types of symbiotic relationships
Velocity
45. Forms the key building block at an atomic level.
Atomic Number
Carbon
Atom composition
major fault types
46. 1. inner core 2. outer core 3. mantle 4. crust
layers of the Earth?
Meiosis
Displacement
life cycle of a butterfly
47. Is the particular wavelength of light we observe that is not absorbed by an object.
Color
types of symbiotic relationships
Experimental group
energy
48. Duplicates genetic material
Prophase
major types of rocks on the Earth?
shape of the Milky Way
Compound
49. Are affected by the angle from which we view the moon.
Lunar phases
characteristics of life?
Atomic Mass
Ionic Bonds
50. 1. puzzle piece argument 2. sea floor spreading 3. fossil records
three states of matter
Sun (on HRD)
evidences for continental drift
The Law of Gravity
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