Chemistry
This is the type of change that happens when chemical bonds break and new bonds form.
A. Physical change
B. Reactive change
C. Chemical change
what is C chemical change?
The independent variable is always graphed on this axis.
A. X axis
B. Y axis
C. Origin point
what is A x-axis
This is the type of plate boundary where plates shear past each other side by side.
A. Divergent
B. Convergent
C. Transform
what is C. transform
Element group that are shiny, malleable, ductile, and good conductors
A. Non metals
B. Metals
C. Noble gases
what are the B metals?
These are the elements that comprise most of the mass of the sun
A. Oxygen and Nitrogen
B. Hydrogen and Helium
C. Carbon Dioxide and Uranium
what is B hydrogen & helium?
An example of chemical change is
A. rotting fruit
B. Freezing water into ice
C. coloring a paper red
what is A. rotting fruit ?
The formula for density is which of these
A. Mass/Gravity
B. Mass/Volume
C. Mass/Length
what is B. Mass/Volume
A ramp would be classified as which type of simple machine?
A. a lever
B. a wheel and axle
C. an inclined plane
what is C. inclined plane
A uniform mixture that involves a solute dissolving in a solvent
A. Element
B. Reactants
C. Solutions
what is C solution?
This is the largest planet.
A. Earth
B. Mars
C. Jupiter
what is C Jupiter
This is two functions of the stem of a plant.
A. support and transport nutrients
B. soak in nutrients and hydrate
C. reproduce and multiply
what is A support and transport
This scientist originally came up with the theory that proved the Earth is NOT at the center of the revolving planets and stars.
A. Newton
B. Einstein
C. Copernicus
who is Copernicus
is the moon phase in which a lunar eclipse happens
A. Waning crescent
B. Third quarter
C. Full
what is C full moon
This makes up most of Earth's inner and outer core.
A. Iron
B. Silicone
C. Aluminum
what is A iron
The moon phases where the moon appears to be a half circle
A. Waning crescent and waxing crescent
B. First quarter and third quarter
C. Full and new
what are B. First quarter and third quarter?
These are the substances listed on the left side of a chemical equation and are the materials going into a chemical change
A. Reactants
B. Products
C. Resources
what are the A reactants?
This is the tool that measures air pressure in the atmosphere
A. Anemometer
B. Wind vane
C. Barometer
what is C barometer
This is an example of a greenhouse gas
A. Nitrogen
B. Carbon Dioxide
C. Oxygen
what is B carbon dioxide?
The chemical reaction between sodium (Na) and Chlorine (Cl) forms this
A. NaCl which is Salt
B. NACl which is Sugar
C. NaCL which is salt
what is A. NaCl salt?
This is a scientist who studies outer space
A. Astronomer
B. Astrologer
C. Archaeologist
what is A Astronomer
Describe the best method for separating small pieces of iron from a mixture of sand and iron when the particles of sand and iron are identical in size.
A. Use a strainer with small holes
B. Use a magnet
C. Use a conductor
what is B use a magnet
A 154-lb adult man performs a moderate level of physical activity and regularly consumes 1700 Calories a day while burning 2500 calories a day. The weight of the man will most likely
A.decrease
B. increase
C.remain the same.
what is A decrease
Which process of heat transfer comes from direct touch?
A. condensation
B. convection
C. conduction
what is C Conduction
An element's position in the periodic table is based on this
A. Number of Electrons
B. Number of Neutrons
C. Number of Protons
what are C the number of protons
Term describing a model of the solar system in which Earth and the other planets revolve around the sun
A. Heliocentric
B. Earthcentric
C. Geocentric
what is A heliocentric?