Life Science
Physical Science
Engineer & Technology
Earth Science
Miscellaneous
100
the smallest unit of life
cell
100
What is an atom?
An atom is the smallest unit of an element.
100
Systems and devices that move goods and people from one place to another.
Transportation
100
Conditions of the atmosphere over a long period of time.
Climate
100
What force holds the solar system together?
Gravity
200
How many chromosomes do humans have?
46
200
What is an endothermic chemical reaction?
thermal energy is absorbed from the environment
200
Devices that are not powered by electricity or gas.
Hand tools
200
Zone where a warm air mass replaces a cold air mass.
Warm Front
200
What causes uneven heating of the earth and causes seasons?
Earth's Tilt
300
What is the shape of a DNA.
A double helix .
300
What are the properties of waves
Frequency, Amplitude, Wavelength, Crest, Trough
300
What is an engineering design process?
An engineering design process is a series of steps that engineers use to create products.
300
When two tectonic plates come together -Creates mountains, volcanos, and trenches.
Convergent Boundary
300
What are some human activities that contribute to rising global temperatures and increased flooding? Mention 3
Fossil fuel combustion, Deforestation, agricultural activity
400
What structure in the nucleus of the cell holds the DNA
Chromosomes
400
Explain the law of inertia, mention 1 example
An object at rest will remain at rest unless acted on by an unbalanced force. Example: The sudden application of brakes in a vehicle.
400
What is the difference between tension and torsion?
Tension is a stretching or pulling force. Torsion is a twisting force.
400
Rock born from extreme heat and pressure.
Metamorphic Rock
400
Relative ages of rock layers- the oldest rock layers will be at the bottom.
Laws of Superposition
500
What are the 3 types of symbiotic relationships? Explain each one
Mutualism: Both species benefit
Commensalism: One species benefits, the other is neither harmed nor benefited
Parasitism: One species (the parasite) benefits and the other (the host) is harmed
500
The table below shows the masses and volumes of four cubes made of different materials.
Which cube has the greatest density? and why?
A.cube 1
B.cube 2
C.cube 3
D.cube 4
cube 1. Because its density is 8g/cm3
500
What are the 4 parts of a structure?
*Siding: Protects the outer walls from weather
*Insulation: PRevents the exchange of heat energy
*Foundation: Provides support. The basement of the structure
*Framing: Provides structure and support like skeleton
500
What are the 3 most common greenhouses gases?
Carbon dioxide, Methane and Water vapor
500
what are the 3 ways thermal energy is transferred?
*Conduction: Direct contact
*Convection: Through matter that can flow
*Radiation: Through waves (No direct contact)