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Test your basic knowledge |
CSET Subject 2: Science
Start Test
Study First
Subjects
:
cset
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
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. 1. negative charge 2. located in the nucleus 3. mass is about 1/1836th of an AMU
Electrons
pH
Phototropism
chemical reaction in photosynthesis
2. Begin as huge clouds of dust and other particles called nebulas.
Carbon 14
DNA
Stars
types of symbiotic relationships
3. Both members of a symbiotic relationship benefit
Conduction
Mutualism
Krebb Cycle
How waves are created
4. States that all of the Earth's continents at one time were joined as a single 'super - continent' called Pangaea. Over time - the continents drifted apart.
Isotope
Theory of Plate Tectonics
Refraction of light
Half life
5. Is something that starts a chemical reaction - such as a spark.
Matter
Catalyst
Radiation
Parasitism
6. Caused by the Earth's tilt on its axis. As it revolves arond the Sun - the tilt causes each hemisphere to receive more direct exposure at certain times in its orbit.
Seasons
The Law of Conservation of Energy states that
Chemical Change
Conduction
7. Is a method of separating ions within a substance by passing electrical current through the substance
Electrolysis
Male sex organ on a flower
layers of the Earth?
Potential energy is
8. Is a substance composed of two or more elements
Compound
Phototropism
Electrons
How energy is measured
9. One member benefits - the other is unaffected.
types of symbiotic relationships
Commensalism
Galaxies
Acceleration
10. Subatomic particles including: 1. protons 2. neutrons 3. electrons
Atom
Atom composition
The Theory of Relativity states
On the Periodic Table chemical properties are loosely organized by
11. Occurs when heat is transferred due to fast moving atoms and molecules colliding with slower ones in a neighboring region.
A balanced atom
Conduction
Kinetic energy is
eclipses
12. Stores food and other materials needed by the cell
Vacuole
Suspension
Cell membrane
Solar eclipse
13. The quantity of substance
Mitosis
Unlike temperature - the amount of thermal energy depends on
Waves
Compound
14. Occurs when chemical composition of a substance is altered.
Half life
Matter
Chemical Change
Seasons
15. 1. Law of Inertia 2. Law of Acceleration 3. Law of Reciprocal Actions
16. 1. convergent 2. divergent 3. transform
Law of Inertia
major fault types
Geologic timescale
Electrons
17. An atom that has a different number of neutrons than its normal amount.
Isotope
Male sex organ on a flower
Prophase
Law of Inertia
18. Radioactively decay back into their 'normal' forms over time
Cell membrane
Most isotopes
Flowering plants
Covalent Bonds
19. A change in position
Lunar eclipse
factors that cause a substance to change state
Cell wall
Motion
20. Plants response to gravity
Geotropism
Covalent Bonds
Sound waves
Isotope
21. 1. producer 2. primary consumer 3. secondary consumer 4. tertiary consumer 5. decomposer
the hierarchy within an ecosystem
key stages of the water cycle
types of symbiotic relationships
Matter
22. 1. evaporation 2. condensation 3. precipitation 4. infiltration 5. runoff
forces that cause changes in motion
key stages of the water cycle
How waves are created
Vacuole
23. A fairly typical main sequence star.
Solar eclipse
Sun (on HRD)
Vacuole
An atom with an imbalance charge
24. A bond formed when atoms share one or more of their valence electrons.
Covalent Bonds
Suspension
Theory of Plate Tectonics
Most isotopes
25. Grain like organelles that produce proteins
layers of the Earth?
Chloroplast
Ribosomes
Geotropism
26. 1. incline plane2. wheel and axle 3. lever 4. pulley 5. wedge 6. screw
Darwin's Theory of Evolution
Six Simple Machines that reduce effort
forces that cause changes in motion
Displacement
27. Occurs when cooler portions of a liquid or gas flow in to take the place of hotter - rising portions.
Convection
An atom with an imbalance charge
life cycle of a frog
Cytoplasm
28. When the Moon or the Sun are pulling at perpendicular angles we get less extreme tides.
Fulcrum
Catalyst
characteristics of life?
Neap tides
29. Are a progressive disturbance propagated from point to point (with regularity between points)
Waves
Doppler Effect
A balanced atom
Atom
30. 1. neutral charge 2. located in the nucleus 3. mass is 1 AMU
Speed
Doppler Effect
Water
Neutrons
31. The types of organisms an ecosystem can support is primarily determined by the amount of...
layers of the Earth?
Water
Neap tides
Cell membrane
32. Is the particular wavelength of light we observe that is not absorbed by an object.
Kinetic energy is
Color
Lunar eclipse
Carbon 14
33. For every action there is an equal and opposite reaction.
Sound waves
Control group
Protostar
Law of Reciprocal Actions
34. Stored energy
Radiation
Potential energy is
Mitochondria
Chloroplast
35. As temperature increases volume also increases
36. Duplicates genetic material
Element
Sun (on HRD)
Prophase
DNA
37. 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.
factors that cause a substance to change state
Solar eclipse
the hierarchy within an ecosystem
Ionic Bonds
38. Is a change from one state to another without a change in chemical composition.
eclipses
Physical Change
Control group
Atom composition
39. Illustrates the relationship between absolute magnitude - luminosity - classification and effective temperature of stars.
Hertzsprung - Russel diagram (HRD) of spectral class
Meiosis
Geologic timescale
Carbon
40. Organelle found in cells of plants and some other organisms that captures the energy from sunlight and convert it into chemical energy
Chemical Change
Isotope
Chloroplast
DNA
41. The time required by half the atoms of a particular substance to disintegrate
50000
Meiosis
Half life
major types of rocks on the Earth?
42. The Moon and the Sun are on opposite sides of the Earth.
Lunar eclipse
Unlike temperature - the amount of thermal energy depends on
the hierarchy within an ecosystem
Chemical Change
43. Occurs when light returns after bouncing off an object.
How waves are created
Compound
shape of the Milky Way
Reflection of light
44. As pressure increases volume decreases
45. Within compounds - the various atoms making up molecules are held together by...
Bonds
Osmosis
Male sex organ on a flower
Six Simple Machines that reduce effort
46. 1. positive charge 2. located in nucleus 3. mass is 1 AMU
pH
Prophase
Atomic Number
Protons
47. Angiosperms
Cytoplasm
Color
Flowering plants
Acceleration
48. 1. the more massive either or both bodies are - the greater the gravitational force between them. 2. the further apart two bodies are - the lesser the gravitational force between them.
DNA
Cell membrane
The Law of Gravity
How waves are created
49. 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.
Spring tides
Protostar
Control group
Steps for the Scientific Method
50. Plants response to light
Phototropism
Cell membrane
Spring tides
eclipses