問題一覧
1
Is responsible for the appearance of secondary sex characteristics of females.
Estrogen
2
Is responsible for many of the male characteristics.
Testosterone
3
These materials are slightly repelled by magnets.
Diamagnetic Materials
4
Magnets have only one pole
False
5
This is where the eggs are produced through cell division (MEIOSIS)
Ovary
6
These materials are strongly attracted by magnets.
Ferromagnetic Materials
7
They are enclosed in the scrotum.
Testes
8
it forms imahe by reflecting light
Mirrors
9
What are the two poles of magnet
North and South magnetic pole
10
Magnets have poles called West Poles and East Poles
False
11
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
12
These black stones have the unusual property of attracting iron objects.
Lodestone
13
If two magnets were in this order: NS NS they would attract
True
14
The tube is cut to prevent sperm leaving (and fertilizing an egg) This procedure can be done right in the doctor's office.
Vasectomy
15
These materials are slightly attracted by magnets.
Paramagnetic Materials
16
Consists of a body and a cervix. The cervix protrudes into the vagina. Maintains an environment for accepting a fertilized egg.
Uterus
17
The relationship between electricity and magnetism is known as electricmagnetism
False
18
Sperm travel through this tube, joins with urethra.
Vas deferens
19
Develop when a single zygote splits. The babies are genetically identical. They also share one placenta.
Identical twins
20
It is the bending of a wave when it passes from one medium to another
Refraction
21
Ligh travels at a speed of _______
3x10⁸m/s
22
An electromagnet can be easily turned on and off
True
23
Develop from the fertilization of two individual eggs.
Fratenal twins
24
it forms imqhes by refracting light
Lenses
25
The start of the menstrual cycle
Menarche
26
A magnet made of a material that keeps itd magnetism is known as a temporary magnet
False
27
Regulates menstruation
Progesterone
28
It attract objects that are made from certain metals, specially iron and nickel.
Magnet
29
A fertilized egg
Zygote
30
is the branch of physics that studies the behavior and properties of the light as well as its interaction with matter
Optics
31
Results in four daughter cells being produced that have HALF the number of the original cell.
Meiosis
32
Gland that produces a fluid that carries sperm during ejaculation. It surrounds the urethra.
Prostate
33
is a branch of physics that studied the interaction of electric and magnetic fields
Electromagnetism
34
Light travels in a ________
Straight line
35
Magnet was used to refer to a certain stones discovered by Greeks ____ years ago in the island of Magnesia
2000
36
Unlike poles of different magnets________
Attract each other
37
By hitting it very hard, magnet temporarily lose its magnetism
True
38
Collects mature sperm which is eventually propelled through the vas deferens.
Epididymis
39
If no fertilized egg reaches the uterus, the lining is shed monthly in a process known as
Menstruation
40
The end of cycle
Menopause
41
It is when a ray of light approaches a smooth polished surface and the light ray bounces back
Reflection
42
The pushing a pulling force of a bar magnet strongest at the end of a magnet
True
43
If two magnets were in this order: NS SN they would attract
False
44
These fields allow magnets to attract objects without touching them.
Magnetic Fields
45
A ferromagnetic material is a material that shows strong magnetic effects
True