6th grade
Which of the following are nonrenewable resources?
Water
Aluminum
Oil
Oil
All cells come from ______ ________ .
Other cells
What is Density?
The amount of mass per unit volume.
Which layer of the atmosphere do we live in?
Troposphere
What two resources are the reactants during photosynthesis?
Water and Carbon Dioxide.
The amount of space taken up.
Volume
What transports things through out the cell?
ER Endoplasmic Reticulum
Which of the following are physical properties?
Size, odor, combustibility, freezing point, evaporation,
sublimation, fermentation, rusting.
size, odor, freezing point, evaporation, sublimation
3 main methods of heat transfer.
Conduction
Convection
Radiation
Sea stars, sea urchins, sand dollars, and sea cucumbers all belong to which Phylum?
Echinoderms
Most of Virginia's watersheds send water to?
The Chesapeake Bay
What is the hierarchy of living things?
Domain> Kingdom>Phylum>Class>Order>Family>Genus>
Species
What do we call the most modern model of the atom?
Electron Cloud model or Quantum model
Low pressure systems of weather are associated with ?
Storms and precipitation
Who is the father of Genetics?
Gregory Mendel
Watersheds in far southeast Virginia send water to
North Carolina Sounds
What domain contains single cell organisms that can survive in extreme environments?
Archaea
What is Mechanical Advantage?
The number of times a simple machine multiplies the effort force.
Where in our solar system is the asteroid belt found?
Between Mars and Jupiter
Who discovered DNA?
Rosalind Franklin
4 main layers of the earth's atmosphere are
Troposphere
Stratosphere
Mesosphere
Thermosphere
What Phylum does the segmented worms belong in?
annelids
What are two differences between covalent and ionic bonding?
Covalent bonds share electrons while ionic bonds transfer electrons.
Ionic bonds produce mostly crystalline solids while Covalent bonds mostly produce gases and liquids.
Wetlands help the environment in 4 main ways.
Provides habitats
Prevent flooding
Clean and filter water
Reduce erosion
What is the addition of excess nutrients to an ecosystem called?
Eutrophication