Light + matter
How does light travel
in straight lines
The total kinetic and potential energy of all particles in an object.
thermal energy
The layer of Earth's atmosphere where all weather takes place
troposphere
The name of the supercontinent that existed 250 million years ago
Pangea
This organelle is known as the "brain" or control center of the cell
nucleus
How long does it take for the suns light to get to earth?
8 minutes
type of energy is possessed by objects due to the motion of their particles.
kinetic energy
Wispy, feathery clouds made of ice crystals
cirrus clouds
The German scientist who proposed the theory of continental drift
Alfred Wegener
This is the "powerhouse" of the cell, generating energy
mitochondrion
How do mirrors work?
Reflecting light ways
Temperature is the average kinetic energy of particles, while thermal energy is the _____ kinetic energy.
total
Clouds that produce thunderstorms and severe weather.
cumulonimbus clouds
This type of evidence includes similar fossils found on different continents.
fossil evidence
What system protects organs and is the frame of your body?
Skeletal system
How long does it take light to travel a mile?
5.3 to 5.4 microseconds
As the temperature of a substance increases, the particles move _____.
faster
The measure of the amount of water vapor in the air.
humidity
This type of evidence shows that the coastlines of South America and Africa fit together.
shape of continents
What system moves blood and gasses around your body?
circulatory system
How does a 2 way mirror work?
by applying a thin, semi-transparent metallic coating to a pane of glass
The sum of the kinetic and potential energy of particles in a system
thermal energy
The percentage of water vapor in the air compared to the maximum amount the air can hold.
relative humidity
The theory that states pieces of Earth's lithosphere are in slow, constant motion.
Plate Tectonics
What system has the lungs and trachea?
respiratory system