Magentism
Two magnets' south poles interact with each other. What happens?
What is repel.
A circuit with only a single path connecting to the Energy source.
What is series circuit.
What is the geologic time scale a record of?
Time periods of rocks and fossils.
What are the differences among a species classified as?
Variations.
What is Newton's first law?
Newton's first law is the "Law of Inertia"
A magnet is split in two. What poles do the new magnets have?
What is North and South.
A circuit with multiple paths connecting to a power source.
What is parallel circuit.
How do geologists separate time periods?
Special occurrences/events.
The organisms most like to survive are the organisms that are?
Best adapted to their environment.
What does Newton's second law state?
F=MA.
One magnet's south pole and another magnet's north pole interact. What happens?
What is attract.
A combination of single path and multiple path circuits.
What is combination circuit.
What was the longest era of Earth?
Precambrian Era.
A trait that is evolved to help an organism survive in its environment.
Adaptation.
What does Newton's 3rd law state?
Every action has an equal and opposite reaction.
Why do compass needles point north?
They are attracted to the Earth's south magnetic pole, the geographic north pole.
The flow of electrons through a conductor.
What is current.
What era do humans live in.
Cenozoic
What are mutations a change in?
DNA.
What does the "Law of Inertia" state?
An object at rest will stay at rest unless an unbalanced force acts on it. An object in motion will stay in motion unless stopped by an unbalanced force.
What are the three ferromagnetic elements?
Iron, Nickel and Cobalt.
A measure of the force that pushes electrons.
What is volts.
How old is the Earth?
4.56 billion years old.
What do all variations of a species share with each other?
A common ancestor.
What unit is force measured in?
Newtons