Physical and Chemical Change
This type of change creates a new substance
Chemical Change
What is the difference between a revolution and rotation?
Revolution: Planet goes around the sun
Rotation: Planet spins on its own axis
What is the difference between potential and kinetic energy?
Kinetic energy: energy of motion
Potential energy: energy of position
What are the levels of organization from smallest to largest?
Cell- Tissue- Organ- Organ System- Organism
What is Ms. Caen's first name?
Samantha
What is a physical change?
A change that alters the appearance, state, or shape of a substance, but does not create a new substance
When the moon passes between the Earth and sun, and blocks the view of the sun, it is known as:
Solar Eclipse
Name an example of an object that would be losing potential energy and gaining kinetic energy
A ball rolling down a hill
Going down a roller coaster
What are the 4 chambers of the heart?
What is the tallest building in the world?
Burj Khalifa
An ice cube melts into liquid water. Is this a physical or chemical change, and WHY??
Physical change because no new substance is formed (still water)
What angle is the Earth's axis tilted at?
23.5 degrees
Name 5 stages of the water cycle
- Evaporation
- Condensation
- Precipitation
- Runoff
- Infiltration
- Transpiration
What is the equation for cellular respiration
Glucose + Oxygen -> Carbon Dioxide + Water + ATP
8.6 million people
What are 3 signs of a chemical change?
-Change in color
-Change in temperature
-Bubbling
-Gas is formed
-Burning
-Solid is formed from 2 liquids
What is the force of attraction between all objects?
Gravity
How would a sedimentary rock become an igneous rock?
1) Weathering and Erosion to form sediments
2) Sediments buried under water- cementation and compaction
Which organelle holds all of the other organelles in place?
The cytoplasm
How old is the Earth?
4.5 billion years old
What is the difference between an element and compound
Compound: two or more elements chemically bonded together
What did Kepler discover about the speed of a planet during its orbit?
Planets speed up when they are closer to the sun, and slow down when they are further from the sun (speed is not constant)
What is the driving force of...
a. The water cycle
b. The rock cycle
a. the sun
b. heat from Earth's core
What is the role of the alveoli?
Site of gas exchange (carbon dioxide and oxygen traded between blood and lungs)
How many bones are in the human body?
206