6th & 7th Grade Science
This is the term for a consumer who eats both plants and animals.
What is an omnivore?
What were THREE pieces of evidence that Alfred Wegener had for continental drift theory?
- fit like puzzle pieces
- Fossils matching on separate continents
- glacial scratches
- rock ages and mountain ranges matching
Matter is not created or destroyed, only transformed
What is the Law of Conservation of Mass?
The Sun
What is the basic unit of life?
The cell.
This is the term for substances, such as carbon dioxide and methane, that trap heat in our atmosphere.
What is a "greenhouse gas?"
What layer of the Earth is liquid?
Outer core
Identify the products in this chemical equation.
CH4 + O2 --> CO2 + H2O
CO2 + 2H2O
*the ARROW points to the PRODUCT*
Name the two types of tides AND the moons that cause each.
Spring = STRONG TIDES = New and Full Moon
Neap = WEAK tides = 1st and 3rd Quarter
The process by which plants make their food using chloroplasts
What is photosynthesis?
These are the 5 characteristics of all living things.
respond to stimuli, organization (cells/DNA), growth and development, use energy, and reproduce
The type of plate boundary where the sea - floor spreading occurs
what is divergent?
Name the six signs of a chemical change.
Precipitate (2 liquids form a solid)
Gas produced
Color change (unexpected)
Odor
Light emitted
Temperature change (unexpected)
Name the three galaxy shapes.
Spiral, elliptical, irregular
Powerhouse of the cell. Organelle where cellular respiration takes place.
what is mitochondria?
These are three differences between plant and animal cells (be specific).
What are plants have chloroplasts, a cell wall, and a larger vacuole?
Name two landforms that occur at a convergent plate boundary.
Volcanic Islands (Ocean-ocean)
Volcanic Mountains (Oceanic - continental)
Mountains (continental - continental)
How many total atoms are on the reactants side?
CH4 + O2 --> CO2 + H2O
7 atoms (1 carbon, 4 hydrogen, 2 oxygen)
Name the four seasons in order (starting with winter)
Winter, spring, summer, fall
What do all cells have in common?
DNA, cytoplasm, cell membrane
Name the system that circulates blood.
What is the circulatory system?
Name all three plate boundaries and one landform at each.
Convergent COLLIDE - volcanoes and mountains
Divergent DIVIDE - mid ocean ridge & rift valley
Transform SLIDE - Earthquakes & fault lines
Elements and compounds are classified as this.
What are pure substances?
What stage do stars spend 90% of their time in their "life cycle"?
Main sequence stars
Name the organisms that eat producers.
Primary Consumers