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Science 4
45問 • 1年前
  • Jeon Jungkook
    • 通報

    問題一覧

  • 1

    is the branch of physics that studies the behavior and properties of the light as well as its interaction with matter

    Optics

  • 2

    Light travels in a ________

    Straight line

  • 3

    Ligh travels at a speed of _______

    3x10⁸m/s

  • 4

    it forms imahe by reflecting light

    Mirrors

  • 5

    it forms imqhes by refracting light

    Lenses

  • 6

    is a branch of physics that studied the interaction of electric and magnetic fields

    Electromagnetism

  • 7

    Magnet was used to refer to a certain stones discovered by Greeks ____ years ago in the island of Magnesia

    2000

  • 8

    These black stones have the unusual property of attracting iron objects.

    Lodestone

  • 9

    What are the two poles of magnet

    North and South magnetic pole

  • 10

    It attract objects that are made from certain metals, specially iron and nickel.

    Magnet

  • 11

    These materials are slightly attracted by magnets.

    Paramagnetic Materials

  • 12

    These fields allow magnets to attract objects without touching them.

    Magnetic Fields

  • 13

    These materials are slightly repelled by magnets.

    Diamagnetic Materials

  • 14

    These materials are strongly attracted by magnets.

    Ferromagnetic Materials

  • 15

    It is the bending of a wave when it passes from one medium to another

    Refraction

  • 16

    It is when a ray of light approaches a smooth polished surface and the light ray bounces back

    Reflection

  • 17

    Unlike poles of different magnets________

    Attract each other

  • 18

    If two magnets were in this order: NS SN they would attract

    False

  • 19

    A ferromagnetic material is a material that shows strong magnetic effects

    True

  • 20

    A magnet made of a material that keeps itd magnetism is known as a temporary magnet

    False

  • 21

    By hitting it very hard, magnet temporarily lose its magnetism

    True

  • 22

    If two magnets were in this order: NS NS they would attract

    True

  • 23

    The relationship between electricity and magnetism is known as electricmagnetism

    False

  • 24

    Magnets have only one pole

    False

  • 25

    An electromagnet can be easily turned on and off

    True

  • 26

    Magnets have poles called West Poles and East Poles

    False

  • 27

    The pushing a pulling force of a bar magnet strongest at the end of a magnet

    True

  • 28

    They are enclosed in the scrotum.

    Testes

  • 29

    Is responsible for many of the male characteristics.

    Testosterone

  • 30

    Collects mature sperm which is eventually propelled through the vas deferens.

    Epididymis

  • 31

    Sperm travel through this tube, joins with urethra.

    Vas deferens

  • 32

    The tube is cut to prevent sperm leaving (and fertilizing an egg) This procedure can be done right in the doctor's office.

    Vasectomy

  • 33

    Gland that produces a fluid that carries sperm during ejaculation. It surrounds the urethra.

    Prostate

  • 34

    This is where the eggs are produced through cell division (MEIOSIS)

    Ovary

  • 35

    Results in four daughter cells being produced that have HALF the number of the original cell.

    Meiosis

  • 36

    Develop when a single zygote splits. The babies are genetically identical. They also share one placenta.

    Identical twins

  • 37

    Develop from the fertilization of two individual eggs.

    Fratenal twins

  • 38

    Is responsible for the appearance of secondary sex characteristics of females.

    Estrogen

  • 39

    Regulates menstruation

    Progesterone

  • 40

    A fertilized egg

    Zygote

  • 41

    An egg is usually a few days old before it implants in the uterus. At this point, it has already divided several times and is called a

    Blastula

  • 42

    Consists of a body and a cervix. The cervix protrudes into the vagina. Maintains an environment for accepting a fertilized egg.

    Uterus

  • 43

    If no fertilized egg reaches the uterus, the lining is shed monthly in a process known as

    Menstruation

  • 44

    The start of the menstrual cycle

    Menarche

  • 45

    The end of cycle

    Menopause

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    問題一覧

  • 1

    is the branch of physics that studies the behavior and properties of the light as well as its interaction with matter

    Optics

  • 2

    Light travels in a ________

    Straight line

  • 3

    Ligh travels at a speed of _______

    3x10⁸m/s

  • 4

    it forms imahe by reflecting light

    Mirrors

  • 5

    it forms imqhes by refracting light

    Lenses

  • 6

    is a branch of physics that studied the interaction of electric and magnetic fields

    Electromagnetism

  • 7

    Magnet was used to refer to a certain stones discovered by Greeks ____ years ago in the island of Magnesia

    2000

  • 8

    These black stones have the unusual property of attracting iron objects.

    Lodestone

  • 9

    What are the two poles of magnet

    North and South magnetic pole

  • 10

    It attract objects that are made from certain metals, specially iron and nickel.

    Magnet

  • 11

    These materials are slightly attracted by magnets.

    Paramagnetic Materials

  • 12

    These fields allow magnets to attract objects without touching them.

    Magnetic Fields

  • 13

    These materials are slightly repelled by magnets.

    Diamagnetic Materials

  • 14

    These materials are strongly attracted by magnets.

    Ferromagnetic Materials

  • 15

    It is the bending of a wave when it passes from one medium to another

    Refraction

  • 16

    It is when a ray of light approaches a smooth polished surface and the light ray bounces back

    Reflection

  • 17

    Unlike poles of different magnets________

    Attract each other

  • 18

    If two magnets were in this order: NS SN they would attract

    False

  • 19

    A ferromagnetic material is a material that shows strong magnetic effects

    True

  • 20

    A magnet made of a material that keeps itd magnetism is known as a temporary magnet

    False

  • 21

    By hitting it very hard, magnet temporarily lose its magnetism

    True

  • 22

    If two magnets were in this order: NS NS they would attract

    True

  • 23

    The relationship between electricity and magnetism is known as electricmagnetism

    False

  • 24

    Magnets have only one pole

    False

  • 25

    An electromagnet can be easily turned on and off

    True

  • 26

    Magnets have poles called West Poles and East Poles

    False

  • 27

    The pushing a pulling force of a bar magnet strongest at the end of a magnet

    True

  • 28

    They are enclosed in the scrotum.

    Testes

  • 29

    Is responsible for many of the male characteristics.

    Testosterone

  • 30

    Collects mature sperm which is eventually propelled through the vas deferens.

    Epididymis

  • 31

    Sperm travel through this tube, joins with urethra.

    Vas deferens

  • 32

    The tube is cut to prevent sperm leaving (and fertilizing an egg) This procedure can be done right in the doctor's office.

    Vasectomy

  • 33

    Gland that produces a fluid that carries sperm during ejaculation. It surrounds the urethra.

    Prostate

  • 34

    This is where the eggs are produced through cell division (MEIOSIS)

    Ovary

  • 35

    Results in four daughter cells being produced that have HALF the number of the original cell.

    Meiosis

  • 36

    Develop when a single zygote splits. The babies are genetically identical. They also share one placenta.

    Identical twins

  • 37

    Develop from the fertilization of two individual eggs.

    Fratenal twins

  • 38

    Is responsible for the appearance of secondary sex characteristics of females.

    Estrogen

  • 39

    Regulates menstruation

    Progesterone

  • 40

    A fertilized egg

    Zygote

  • 41

    An egg is usually a few days old before it implants in the uterus. At this point, it has already divided several times and is called a

    Blastula

  • 42

    Consists of a body and a cervix. The cervix protrudes into the vagina. Maintains an environment for accepting a fertilized egg.

    Uterus

  • 43

    If no fertilized egg reaches the uterus, the lining is shed monthly in a process known as

    Menstruation

  • 44

    The start of the menstrual cycle

    Menarche

  • 45

    The end of cycle

    Menopause