Science 4 Flashcards
it is formed when a female’s egg cell and a male’s sperm cell combine.
zygote
a cell from the mother and is responsible for producing a baby.
egg cell
a cell from the father and is responsible for producing a baby
sperm cell
what do you call the process where and egg cell and sperm cell combine?
fertilization
what do you call a high-frequency sound wave that is used to create images of organs and systems in the body.
ultrasound
what do you call people who are 0-1 yr old
infancy
what do you call people who learns to be independent as they begin to do things on their own, such as walk, drink, eat, sleep, play, and explore their surroundings?
toddler
what stage of life when 3-12 years old learn how to be responsible and goes to school to learn.
childhood
what stage of life where many physical changes happen. It is when boys begin to develop and show the characteristics of men, and girls begin to exhibit the characteristics of women
adolescence
the period when young people experience many physical changes and reach sexual maturity.
puberty
what do you call people who are ages 13-17
teenagers
what stage of life is considered the end of adolescence
adulthood
what do you call the last stage of a human’s life?
old age
what do you call the process of transformation from an immature form to an adult form and consists of two or more different stages.
metamorphosis
what do you call the force produced when two surfaces rub against each other.
friction
what do you call a movement that is either a push or a pull that is exerted on an object.
force
what refers to the attractive (pull) and repulsive (push) forces that are exerted by magnets on magnetic objects.
magnetism
what do you call that attracts or repels objects that contain magnetic metals such as iron, cobalt, and nickel.
magnet
what are the two poles of magnet called?
north pole and south pole
what do you call the bouncing back of light as it hits a surface.
reflection
what kind of light source are those that produce their own light.
Luminous light sources
what kind of light source are those that give light by reflecting it from a luminous light source.
Nonluminous light sources
what do you call the bending of light as it passes from one substance to another.
Refraction
what do you call the unit that describes the brightness of light. The higher the candela, the brighter the light.
Candela
what is is the hottest color of light.
white
what do you call the thing that allow light to pass through them.
transparent objects
what do you call the thing that allows some light to pass through them.
Translucent objects
what do you call the thing that do not allow light to pass through them. They form shadows.
Opaque objects
what do you call the thing that the bouncing back of light as it hits a surface.
reflection
what is the main source of both light and heat.
the sun
What does ROYGBIV stands for?
red, orange, yellow, green, blue, indigo, and violet