Push and Pull
A car at rest begins to move when pushed. What property of matter resists this change in motion?
Inertia
The number of protons in an atom defines the element. What is this number called?
Atomic Number
Oil and water do not mix evenly. What type of mixture is this?
Heterogeneous mixture/ Suspension
A pea plant has round seeds because of inherited information. What carries this information?
Genes
Garbage left uncollected in rivers causes pollution. What type of pollution is this?
Water pollution
An archer pulls back the string, then releases an arrow. What law explains this action and reaction?
Third Law of Motion
Law of Interaction
Law of Action and Reaction
Some atoms of the same element have different numbers of neutrons. What are these atoms called?
Isotopes
A liquid is cooled until particles are locked in place. What phase change is this?
Freezing/Solidification
Genes come in different versions for traits. What do we call these versions?
Alleles
A species no longer exists anywhere on Earth. What do we call this condition?
Extinction
Planets move around the Sun in curved paths. What force keeps them in orbit?
Gravitational Force
Electrons move around the nucleus in specific energy levels. What is the region where they are most likely found called?
Electron cloud
Wood burns and turns into ash and smoke. What type of change happens here?
Chemical Change
In Mendel’s law, one trait may hide another. What do we call the trait that is expressed?
Dominant Trait
Coral reefs die when ocean water becomes too acidic. What human-caused problem leads to this?
Ocean acidification
A moving car continues to travel because of the product of its mass and velocity.
Momentum
The total number of protons and neutrons in an atom defines its size. What is this number called?
Atomic Mass
Water vapor turns directly into ice on a cold surface. What change of state is this?
deposition
Two traits can be inherited independently of each other. What Mendelian law explains this?
Law of Independent Assortment
Too much nitrogen and phosphorus in water causes rapid algae growth. What is this process called?
Eutrophication
A runner starts at the school gate and ends at the library 200 meters north. What vector quantity describes her change in position?
Displacement
In the Bohr model, electrons jump to higher energy levels when they absorb energy. What do we call this movement?
Excitation/Excited state
The ability of a substance to be hammered into thin sheets is a property of metals. What property is this?
Malleability
Who is the father of genetics?
Gregor Mendel
The thinning of the protective ozone layer increases harmful UV rays reaching Earth. What chemical group mainly causes this damage?
CFC or Chlorofluorocarbons