My Earth. My Environment
What process do planets use to convert sunlight into energy?
photosynthesis
What simple machine is used in a wheelbarrow?
A lever
What organ pumps blood through the body?
Heart
What kind of bonds form between two nonmetals?
Covalent Bond
What element is most abundant in stars?
Hydrogen
What renewable energy source uses flowing water to generate electricity
Hydroelectric Power
What type of energy is associated with motion?
KE
What is the process by which cells divide to form identical cells?
Mitosis
What is the term for the minimum energy required for a chemical reaction to occur?
Activation Energy
What theory describes the start of existence?
Big Bang Theory
What term describes a gradual increase in Earth's average temperature?
Global Warming
Estimate the escape velocity from Earth in km/s
11.2 (± 2) km/s
What hormone lowers the blood sugar level to regulate them?
Insulin
Name the process that is used to separate mixtures based on boiling points?
Distillation
Color of the hottest stars
Blue
What process removes carbon dioxide from the atmosphere and stores it underground?
carbon sequestration
What type of energy is stored in a stretched rubber band? (Be specific!)
Elastic Potential Energy
Differentiate between DNA and RNA in terms of sugar compounds
Answers could vary.
This type of reaction releases heat
Exothermic Reaction
What phenomenon explains why light from distant galaxies appears red-shifted?
Doppler Effect
The place which is considered to be Earth's largest carbon sink
The Ocean
According to general relativity, what causes gravity?
The curvature of spacetime.
What process allows water to move up through a plant's xylem vessels?
Capillary Action.
In a redox reaction, which kind of species gets reduced?
The one who gains electron.
What kind of giant explosion marks the death of a large star?
Supernova