Earth Science
What is a force exerted onto a surface by the weight of air molecules?
Air pressure
What is the smallest chemical unit of matter called?
Atom
For every _____ there is an equal and ______ reaction.
action, opposite
What is the process by which green plants and some other organisms use the energy of sunlight and simple chemicals to produce their own food?
Photosynthesis
What is the study of living organisms called?
Biology
______ is a daily or weekly status of the atmosphere while _______ is the long-term overall physical conditions of a region.
Weather, Climate
If a scientist adds heat to a solid material so that it becomes liquid, what do we call the temperature at which this happens?
melting point.
Which of the following is opaque?
a. clear drinking glass
b. waxed paper
c. lampshade
d.winter jacket
d. winter jacket: opaque material will not allow any ight to pass through it.
What is an organism that breaks down the dead remains of other organisms called?
Decomposer
___________ are one of the main sources of food energy for most animals and are made up of simple sugars.
Carbohydrates
From base to summit, which mountain is taller: Mount Everest or Mauna Kea?
Mauna Kea is the taller mountain.
Which of the following subatomic particles are found in the nucleus of an atom: protons, neutrons, electrons?
protons and neutrons are found in the nucleus of atoms.
What is a closed path through which electric current flows called?
Electric circuit
In a DNA strand, cytosine always pairs with what?
guanine
______________ are the most complex molecules of life, involved in the creation, repair, and reproduction of proteins. They are made up of nucleotides.
Nucleic Acids.
If you had a container of air and you were able to heat up the gases, what would happen to the air pressure inside the container; would it increase or decrease?
The air pressure would increase.
______ bonding is when 2 atoms share a pair of electrons.
covalent
What do you call the rate at which an object moves?
Speed
The first criterion of life is that all living things contain hereditary information in their _____ which enables life to continue through reproduction.
DNA
True or false: The umbrella shape of a mushroom is the largest part of the organism's body?
False. The mycelium is the largest part.
To predict weather, meteorologists measure 5 properties of what?
Can you name those 5 properties?
air
these properties include temperature, pressure, humidity, wind direction, and wind speed.
Which of the following represents a chemical change?
a. ice melting to water
b. salt dissolving into water
c. shattering glass
d. rusting iron
d. rusting iron
What do you call the speed of an object in a given direction?
Velocity
What type of cell has no membrane-bound organelles?
Prokaryotic cell
Will antibiotics work on viruses? Why or why not?
They will not work on viruses.
Antibiotics fight off living organisms, and viruses are not living things.