Shocking Discoveries
unit that measures how much current flows through a given part of a circuit in one second
amp
the unit is used to measure work
joule
__________ is the ability to make something move.
Mechanical energy
The brightness of a star is called its __________.
Magnitude
A cloud of dust, gases, and debris is called a __________.
Nebula
Which planet is closest to the sun?
Mercury
__________ occurs when a male sperm cell inside the pollen travels down the pollen tube and unites with a female egg cell.
Fertilization
The blending together of the genes for a trait is known as __________.
Incomplete dominance
Which part of the body is the command center for the whole body?
Brain
__________ was the scientist who discovered the first antibiotic.
Fleming
unit that measures the amount of electrical push, or force, in a circuit
volt
What is the decrease in effort that is needed to move an object called?
mechanical advantage
A fixed unmoving object or location is __________.
Reference point
The measurement of a star’s apparent movement over time is known as __________.
Parallax
Smaller stars, like our sun, are __________.
Dwarf stars
Which planet is known for its Great Red Spot?
Jupiter
Gymnosperms, such as conifers, are pollinated by ___________.
wind
The arrangement of genes in an organism is called its __________.
Genotype
What is the main pathway of information connecting the brain to the body?
Spinal cord
__________ was one of the first scientists to identify that diseases are caused by microorganisms.
Louis Pasteur
unit that measures power, or how fast work is done
watt
this machine is a bar that turns on a point
lever
__________ is the change of an object's position.
Motion
These are the largest and brightest stars.
Supergiants
When a massive supergiant star collapses and disappears from space, scientists call what is left a __________.
Black hole
Which fact about Venus is not true?
🅐 It is closest to Earth.
🅑 It has liquid water.
🅒 The brightest object in the morning sky.
🅓 It is sometimes called Earth's twin.
It has liquid water.
The part of the stamen that produces pollen is called the __________.
Anther
The physical appearance of an organism in all its forms is called its __________.
Phenotype
What are the three parts of the brain?
Cerebrum, cerebellum, brain stem
Anything that may cause a disease is called a(n) __________.
Pathogen
coil of wire with a core attached to an electrical source is called a(n) _____
electromagnet
This machine is an inclined plane wound around a cylinder or cone
screw
The __________ of an object is determined by its mass and velocity.
Momentum
When an existing star flares up and becomes brighter than normal, it is called a __________.
Nova
A group of stars that form a pattern is called a(n) __________.
Constellation
Which planet has the most violent weather?
Neptune
The sticky tip of the pistil that traps pollen is called the __________.
Stigma
A __________ uses lines and symbols to trace a trait from one generation to another.
Pedigree
What are nerve cells called?
Neurons
Anything that causes the immune system to have an allergic reaction is called a(n) __________.
Allergen
__________ is a material that can work as a conductor or as an insulator.
Semiconductor
this machine consists of two inclined planes placed back to back
__________ occurs whenever an object speeds up, slows down, or changes direction.
Acceleration
Stars that regularly or repeatedly change in magnitude are called __________.
Variable stars
Telescopes that bend light to make objects seem larger are __________.
Refracting telescopes
Which planet is known as the ringed planet?
Saturn
Plants that produce seeds protected by only a cone or a fleshy seed coat are called ___________.
Gymnosperms
A __________ shows the genetic possibilities of a particular trait that can result from the offspring of a specific pair of parents.
Punnett square
Which nerve carries impulses from the ear to the brain?
Auditory nerve
__________ contains dead or weakened pathogens to provide immunity against disease.
vaccine
Who discovered that adding metal core to coil of wire increased the magnetism?
William Sturgeon
Which simple machine makes work easier by either changing the direction of the force or by reducing the amount of force needed to move an object?
pulley
The resistance to a change in motion is called __________.
inertia
A neutron star that spins rapidly on its axis is called a __________.
Pulsar
A __________ is a large group of stars held together by gravity.
Galaxy
What are caused as different areas of the moon's surface are lighted by the sun?
Moon's phases
Plants that have flowers and produce seeds enclosed in a fruit are called __________.
Angiosperms
The study of how traits are inherited is called __________.
Genetics
Which nervous system disorder destroys the myelin sheaths on some neurons, possibly resulting in muscle weakness, paralysis, or vision loss?
Multiple sclerosis
A scientist who studies the causes and spread of diseases is called a(n) __________.
Epidemiologist