1) the controlled variable: a) stays the same throughout all tests. b) is measured. c) changes. d) is required to class a test 'fair' 2) the independent variable: a) changes. b) is measured. c) stays the same throughout all tests. d) is the cause. 3) the dependent variable: a) changes. b) is measured. c) stays the same throughout all tests. d) is the effect 4) a state of matter with the most energy that conforms to the shape of it's confinement is a: a) solid b) liquid c) gas 5) a state of matter that conforms to the shape of its confinement but has smaller amounts of space in between each particle is a: a) solid b) liquid c) gas 6) a state of matter that holds it shape and moves as one due lack of space between particles is a: a) solid b) liquid c) gas 7) conduction a) transfer of energy between adjacent molecules b) emission of electromagnetic waves c) movement of warm and cool molecules 8) convection a) transfer of energy between adjacent molecules b) emission of electromagnetic waves c) movement of warm and cool molecules 9) radiation a) transfer of energy between adjacent molecules b) emission of electromagnetic waves c) movement of warm and cool molecules 10) biomimicry a) taken the functioning parts of nature and applying them to man-made designs b) looks like nature c) uses nature 11) sexual reproduction in plants, a) uses the fusion of gametes b) produces non-identical offspring c) does not use the fusion of gametes d) produces identical offspring, except when mutation occurs e) can involve 'selfing' or self pollenating 12) asexual reproduction in plants, a) uses the fusion of gametes b) produces non-identical offspring c) can involve 'selfing' or self pollenating d) does not use the fusion of gametes e) produces identical offspring, except when mutation occurs 13) meiosis a) cell devision b) reduces number of gametes by four c) produces four gametes d) increases number of chromosomes in parent cell by up to double e) reduces number of chromosomes by half in parent cell 14) pollen a) a powdery substance containing one male gamete in every grain b) capable of fertilizing female ovule c) contains one female ovule in every grain d) lives in female flower e) lives in male plants f) fertilizes plants through the transport of wind, insects and other animals 15) sperm a) female gamete b) male gamete c) fertilizes female gamete to create offspring d) haploid cell e) diploid cell 16) gamete a) reproductive cell in plants and animals b) male gamete - ovum (in animals) c) male gamete - sperm (in animals) d) female gamete - sperm (in animals) e) female gamete - ovum (in animals) f) sperm and ovum carry only one chromosome in each 17) zygote a) the result of two haploid cells b) the result of two diploid cells c) haploid cell d) diploid cell e) e.g. fertilized ovum f) e.g. sperm 18) ovum a) the cell that is released from the female reproductive system b) capable of turning into new life without a sperm cell c) capable of turning into new life with a sperm cell d) the cell that is released from the male reproductive system 19) egg a) an ovum b) a sperm c) the byproduct of a chicken 20) fertilization a) the fusion of two male gametes b) the fusion of a male and female gamete the creates a zygote c) seasol 21) spores a) a cell that is capable of supporting new life without sexual fusion b) two plant cells joining together to create new life c) a haploid reproductive cell 22) haploid cells; a) have one set of chromosomes and was created asexually b) have two sets of chromosomes (one from each parent) and was created sexually 23) diploid cells; a) have two sets of chromosomes (one from each parent) and was created sexually b) have one set of chromosomes and was created asexually 24) the greek word a-tomos means; a) indivisable b) invisible c) tiny 25) who discovered the atom? a) John Dalton b) Louise Dalton c) Isaac Newton d) Albert Einstein e) Democritus f) Elon Musk 26) stable isotopes; a) are regular elements (as listed on the periodic table) b) have less protons than what's listed on the periodic table c) have less or more neutrons than what's listed on the periodic table d) have less electrons than what's listed on the periodic table e) are not radioactive f) are radioactive 27) an unstable isotope; a) undergoes spontaneous nuclear decay b) has more or less neutrons in the nucleus than listed on the periodic table c) are regular elements (as listed on the periodic table) d) have less protons than what's listed on the periodic table e) have less electrons than what's listed on the periodic table f) are radioactive 28) protons have; a) positive charge b) negative charge c) no charge 29) electrons have; a) positive charge b) negative charge c) no charge 30) neutrons have; a) positive charge b) negative charge c) no charge 31) the atomic number is; a) the number of electrons in an atom b) the number of protons in an atom c) the number of neutrons in an atom d) the number of neutrons and protons in an atom e) the number of protons and electrons in an atom 32) the mass number is; a) the number of electrons in an atom b) the number of protons in an atom c) the number of neutrons in an atom d) the number of neutrons and protons in an atom e) the number of protons and electrons in an atom f) an average from the natural form (of isotopes and atoms) 33) k = a) potassium b) iron c) magnesium d) gold e) lead f) karbon

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