Technology and Engineering
Earth Systems
Energy
Inheritance
Properties of Matter
Earth in Space
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100
What is the correct tool to tighten a bolt?
A wrench
100
Where two plates collide is called a _________ plate boudnary.
Convergent plate boundary
100
The energy of motion is called?
Kinetic Energy
100
What does heterozygous mean?
Two alleles that are different from each other
100
A substance that consists of only one type of atom
What is an element?
100
This gets biggers as objects get closer together
Gravity
100
Your bones make up the ___________ system, which is one of many systems in the human body.
Skeleton
200
Getting input from users is called?
Feedback
200
Which city likely will be experiencing a rainy day?
Minneapolis - lower pressure
200
What is the transfer of thermal energy between two items that are NOT touching called? (This energy can travel across vast distances in space)
Radiation
200
A genetic factor that is not expressed because it is blocked by another genetic factor
Recessive allele
200
A type of mixture in which the substances are not evenly mixed
A heterogeneous mixture
200
Explain why the Moon's gravity affects Earth even though it has 1/6 the mass of Earth
It is very close to the Earth
200
An object has an acceleration of 5 m/s2 and has a mass of 4 kg. What the force must be applied to the object?
FLEXING MY AURA
F = M*A --> F = 4*5 = 20 Newtons
300
What is the manufacturing design process in which tools such as wrenches, bolts, screws, and screwdrivers would probably be most useful?
Combining (or assembling)
300
What is a a large volume of ocean water flowing in a certain direction called?
An ocean current
300
Object A has a mass of 3kg and is traveling at a speed of 10 meters/sec.
Object B has a mass of 6kg and is traveling at a speed of 5 meters/sec.
Which has more kinetic energy? Show work.
Object A KE = 1/2 * 3 * 102 = 1/2 * 3 * 100 = 150
Object B KE = 1/2 * 6 * 52 = 1/2 * 6 * 25 =75
Object A
300
Two heterozygous brown-eyed individuals have a ___________ % chance of having a child with blue eyes.
25%
300
Water can split to form hydrogen gas and oxygen gas as shown:
2H2O --> 2H2 + O2How does this show the law of conservation of mass?
The same amount and type of atoms in the reactants (4 Hydrogen atoms, 2 oxygen atoms) and in the products (4 Hydrogen atoms, 2 oxygen atoms).
300
A _________ tide occurs when the Earth, Sun, and moon are at a right angle and has the lowest tidal range.
Neap
300
An object travels 380 feet in 20 seconds. What's its average speed?
19 feet/second. (distance/time = 380/20)
400
What is an early sample or model a product built to test a concept or process called?
A prototype
400
What causes the seasons?
Earth's tilt and revolution
400
The three types of heat transfer are...
Conduction, convection, and radiation
400
The physical trait (exp. heavily muscled, blue eyes, tall, brown fur) is called the ...
Phenotype
400
When you add enough _______ to liquid water it will become _________. This happens because the molecules gain enough __________ to change state.
Energy ; a gas ; energy
400
Which planet receives the strongest gravitational pull from the Sun?
Mercury (it's the closest)
400
This cell organelle stores nutrients, water, and other things the cell may need in the future
What is a vacuole?
500
What is the primary function of a radio station's tower in a communication system?
A transmitter
500
Location A is near an ocean and Location B is located inland (not near an ocean at all). How will their seasons differ if they are at similar latitudes and elevations?
Location A will have cooler summers and milder winters.
500
This is what causes plates to slowly move on the surface of the Earth
Convection currents in the mantle
500
When a gene gets incorrectly copied during replication it is called a
Mutation
500
A closed system mass will never change during a chemical reaction. True or false.
True - this is the Law of Conservation of mass.
500
Jupiter's mass is the largest mass of any planet in the solar system. True or false, if you could stand on the surface of each planet, your weight would be the greatest on Jupiter.
True!
500
This is the equation for density
What is density equals mass divided by volume?
Or d=m/v.
Or d=m over v.
600
What is the first step in the Engineering Design Process (and the scientific method...)?
Ask a question
600
A warm front approaching a region will likely bring...
Warmer temperatures and slight precipitation
600
Object A is located at a height of 20m. Object B is located at a height of 5m. Both on Earth. Do you have enough information to determine which has more or less potential energy?
No - you need the mass of each object or how the mass compares.
600
Genes are located on the ___________ which themselves are located in the __________ of every body cell. They tell the body how to build _____________.
Chromosomes; nucleus; proteins
600
The following shows nitrogen gas reacting with hydrogen gas as given by the equation:
N2 + 3H2 --> 2NH3
What are the products?
2 molecules of NH3
600
This has the highest tidal range and occurs when the Earth, Sun, and moon are aligned
spring tide
600
Each team playing tug of war is pulling on the rope. Team A pulls with 5,000 N of force to the left. Team B pulls with 8,000 N of force to the right. Which team will win and in which direction will the rope move with how much force?
Team B, to the right (3,000 N)