What are the three different graphs we used in this unit?
Bar graph
Circle graph
Line graph
100
What are the three types of matter?
Solid, liquid, gas
100
What is an atom structure?
Nucleus
Protons
Neutrons
Electrons
100
What is the difference between a homogeneous and a heterogeneous mixture?
The homogeneous mixtures look the same throughout, heterogeneous mixtures don't.
100
When is cheaper to buy gasoline?
At midnight
200
What is the order of the scientific method?
1.Identify the problem.
2.Write your hypothesis.
3.Create an experiment.
4.Write Analysis
5. Write conclusion
200
How is it called when a gas becomes a solid? From a solid to a gas?
Gas to solid: Deposition
Solid to gas: Sublimation
200
How many electron can the second and third shells hold?
Second: 8
Third: 18
200
What are elements?
Simplest form of pure substances. They cannot be broken into anything else.
200
What is hydrotropism?
How plants react to water.
300
What is 4,900,000,000 in scientific notation?
9
It is 4.9 × 10
300
Name two laws/principles we learned.
Archimedes Principle
Pascal's Principle
Bernoulli's Principle
Boyle's Law
Charle's Law
300
What is the Atomic Number?
Is the number of protons an atom have.
300
Give four physical properties.
Color
Mass
Shape
Odor
Physical state
Hardness
Density
Melting/Boiling Point
Magnetism
300
Which are the five kingdoms?
Monera
Protista
Fungi
Plantae
Animalia
400
How do you find the density?
Mass over volume
400
What does Boyle's Law say?
The volume of a gas increases as the gas pressure decreases. Likewise, the volume of a gas decreases as the gas pressure increases.
400
Which are the most common elements in the Periodic Table?
Metals
400
What is a double bond?
Is when 2 pairs of electrons are shared.
400
How many organisms had scientists discover?
1.7 million
500
How do you convert from F to C?
By subtracting 32, multiplying by 5, and dividing by 9.
500
Explain Bernoulli's Principle and Charles Law.
Bernoulli's Principle states that as the speed of a moving fluid increases, the pressure within the fluid decreases.
Charle's Law states that as temperature increases, volume increases.
500
What is half life?
Is the time that takes for half group of radioisotopes to decay.