All About Cells
Plant and animal cells are both eukaryotic, but they have some key differences. List two!
1. Plants have a cell wall
2. Plants have chloroplasts
3. Plants are rectangular, Animals are circular
4. Plants have one large vacuole and animal cells have multiple small vacuoles
How are photosynthesis and cellular respiration interrelated?
The products of one are the reactants of others
A pure substance cannot be physically broken down. It is in its simplest state. What are the two types of pure substances?
Elements & Compounds
List 1 way we can identify a physical change has occurred rather than chemical.
Change in state of matter, shape, size or temperature
DOUBLE JEOPARDY
List the hierarchy of objects in space from largest to smallest: Star, Moon, Planet, Galaxy, Asteroid, Solar System, Universe
Universe, Galaxy, Solar System, Star, Planet, Moon, Asteroid
The mitochondria is the organelle that provides the cell with its energy. What chemical process occurs in the mitochondria?
Cellular Respiration
DOUBLE JEOPARDY
List the reactants and products of cellular respiration
Reactants: Oxygen and Glucose
Products: Water, CO2 and ATP energy
There are several ways to identify if a chemical reaction has occurred. List 3 pieces of evidence that we could observe during a chemical reaction.
1. Formation of a new substance
2. Change in color
3. Produce an odor
4. Produce sound
5. Formation of gas
How far is an astronomical unit in kilometers? How far is the Earth from the sun in AU?
1. 150,000,000 km
2. 1 AU
Gelatinous substance that fills the cell and ensures the other organelles remain in a fixed position
Cytoplasm
DOUBLE JEOPARDY
List the reactants and products of Photosynthesis
Reactants: Water, Carbon dioxide and Sunlight
Products: Glucose and Oxygen
Substances that are physically combined are known as ______________. List the two different types and provide an example of each.
Homogeneous- Salt water
Heterogenous- Salad
Describe the motion and speed of particles in each state of matter.
Solid- vibrating slightly, moves the slowest
Liquid- freely flowing, moves at a medium pace
Gas- Bouncing and moves quickly
List the 6 layers of the sun in order from outermost to innermost.
1. Corona 2. Chromosphere 3. Photosphere 4. Convective Zone 5. Radiative Zone 6. Core
*BONUS QUESTION* what layer is the coldest?
The selectively permeable barrier of the cell that controls what enters and exits
Cell Membrane
What process creates the substance animals need in order to breathe? What process produces the substance we breath out?
1. Photosynthesis (breathe in oxygen)
2. Cellular Respiration (breathe out CO2)
List the 3 subatomic particles, their location and their charges.
1. Protons- found in the nucleus have a POSITIVE charge
2. Neutrons- Found in the nucleus have a NEUTRAL charge
3. Electrons- Found outside the nucleus in the cloud and have a NEGATIVE charge
Paleontologists found an archaic weapon and they are trying to determine the substance used to build the metal portion. We know each substance has unique physical properties. List 4 ways we can identify this substance
1. Density
2. Magnetic Properties
3. Solubility
4. Electrical or Thermal Conductivity
5. Melting Point
6. Boiling Point
7. Color
Distinguish these two terms: apparent magnitude and absolute magnitude
Apparent- How bright an objects appears from Earth
Absolute- How bright an object ACTUALLY is
BONUS QUESTION: Which is brighter? A star with -1 magnitude or 5 magnitude?
List one portion of the Cell Theory
1. All living things are made up of cells
2. Cells come from pre-exisiting cells
3. Cells are the basic unit of life
What does the law of conservation of matter state?
Matter cannot be created or destroyed
1. How are groups/families on the periodic table organized?
2. Most of the mass of an element is found in the ______________________. The _________________ in an atom have very little weight.
1. By similar characteristics
2. Nucleus; electrons
We are trying to determine the density of an unknown cube. When we drop it in water it displaces the liquid by 10 mL and it has a mass of 100 grams. What is the density of this cube?
Mass- 100 g
Volume- 10 mL
Density = 100g/10mL = 10 g/mL
Explain the difference between solar and lunar eclipses AND the difference between spring and neap tides
Solar vs Lunar: Solar eclipses are when the moon places a shadow on Earth, these only happen during a new moon. Lunar eclipses are when the earth places a shadow on the moon, these only happen during a full moon.
Spring vs Neap: Spring tides have super high, high tides and super low, low tides this is caused because the Sun and Moon are aligned. Neap tides are NEUTRAL tides and happen when the moon and sun are at a right angle.