Life Science
These make up all living things
Cells
In what layer of the atmosphere do we live?
troposphere
What subatomic particle is negatively charged?
electron
What quantity is the change in velocity over time?
acceleration
What is the brightest star in the night sky?
Sirius
He proposed the theory of evolution by natural selection
Darwin
What phenomenon often accompanies earthquakes in the ocean?
Tsunami
How many more times acidic is a solution with pH of 3 than one that is neutral?
10,000
A rock is dropped from rest. How far will it go after 3 seconds if the acceleration due to gravity is 10 m/s2?
45 m
What planets have no natural satellites?
Mercury, Venus
This organelle provides power to the cell
mitochondria
What are the 3 main kinds of volcanoes?
strato, cinder cone, shield
What is the transition from solid directly to gas?
sublimation
What is the equivalent resistance when a 3 ohm, 4 ohm and 5 ohm resisters are connected in series?
12
Which of Jupiter's moons have the highest geologic activity?
Io
This organ is where dead blood cells end up
spleen
What is the boundary between the crust and mantle called?
Moho discontinuity
Organic chemistry deals with molecules having what element?
carbon
How much kinetic energy does a 5 kg object have when traveling 20 m/s?
1000J
What are the 3 main types of galaxies?
Spiral, Irregular, Elliptical
When two heterozygous flowers mate, what percent of their offspring are expected to have the homozygous recessive trait?
25%
What is the value of Quartz on the Mohs hardness scale?
7
Combustion of hydrocarbons results in what two products?
CO2, H2O
A 25 N force is required to stretch a spring 25 cm. What is the spring constant?
100
HR diagrams show what two properties of a star?
luminosity and temperature