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WorksheetsSpring Final Review 2019
Total questions: 30
Worksheet time: 15mins
The presence of the same type of ____ on several continents supports the hypothesis of continental drift.
Fossils
Rocks
Both A and B
Neither A nor B
Animals compete for many resources. Which of the following is not something for which animals compete?
food
mates
social status
predators
The three basic components of an atom are _____.
protons, neutrons, and ions
protons, neutrons, and electrons
protons, neutrinos, and ions
protons, deuterium, and tritium
The nucleus of an atom consists of _____.
electrons
neutrons
protons and neutrons
protons, neutron
A single proton has which electrical charge
no charge
positive charge
negative charge
either a positive or a negative charge
In an atom, electrons ____.
are located in the nucleus
are paired with neutrons
travel outside the nucleus
are always in the same place in an atom
Which elements have properties of both metals and nonmetals?
gases
metalloids
metals
nonmetals
Which of the following is a compound?
gold
oxygen
neon
water
Why is the law of conservation of mass true?
All atoms at the start of a chemical reaction are present at the end of the reaction.
All the molecules in a substance remain intact during a chemical reaction.
The substances at the start of a chemical reaction gather more atoms to make up for those lost in the reaction.
All compounds at the start of a chemical reaction are present at the end of the reaction.
The total distance traveled by an object divided by the total amount of time needed to travel equals
the _____.
average speed
friction
average acceleration
net force
To describe velocity you need to know ____.
speed and direction
speed and time
direction and acceleration
speed and acceleration
Acceleration involves a change in ____.
time
direction
speed
both b and c
Summer occurs on the hemisphere of Earth that is ____.
turned away from the sun
tilted away from the sun
tilted toward the sun
turned toward the sun
How can you identify a steep area on a topographic map?
The contour lines are close together
The contour lines are far apart
The contour lines are far apart
The contour lines are marked with high numbers
Which of the following is an example of an unbalanced force?
book sitting on a table
car sitting in the garage
person on an elevator going down
person leaning on a wall
Using Newton's Law of Force, Mass and Acceleration, explain why smaller cars often have smaller engines than larger cars do.
Smaller cars only have room for smaller engines.
Larger cars have greater mass and need larger engines to generate the greater force needed to move the car.
Larger cars have larger engines so they can go faster than smaller cars.
Smaller cars need smaller engines to reduce their weight.
The law of conservation of energy states which of the following?
I Energy can be transformed from one form to another.
II Energy is neither created not destroyed.
III Waste energy is not easily used to do useful work.
I and II
I and III
II and III
I,II, and III
Which type of energy is a result of motion?
potential energy
electric energy
kinetic energy
nuclear energy
The Andes Mountains along the western edge of the South American continent are formed by a ______________.
convergent boundary at the eastern edge of the Nazca
Plate
divergent boundary at the western edge of the Nazca Plate
transform boundary along the Pacific and Antarctic Plates
divergent boundary along the eastern edge of the South
American Plate
According to the theory of plate tectonics, which best describes the motion of these two plates?
Plate A is moving toward Plate B.
Plate B is stationary.
Plate A is stationary. Plate B is
moving toward Plate A.
Plate A and Plate B are moving
away from each other.
Plate A and Plate B are moving
toward each other.
What is the difference in elevation between two contour lines on the topographic map above?
100m
200m
1km
5km
Use the diagrams to place the lunar cycle in order.
A,B,C,D
A,B,D,C
D,B,A,C
D,B,C,A
Look at the Hertzsprung-Russell diagram below. In what group would a star with a luminosity of 10,000 L/L0 and an effective temperature of 14,000 K be classified?
white dwarf
main sequence
supergiant
giant
What is the identity of the atom shown and how many valence electrons does it have?
Aluminum has 5 valence electrons
Carbon has 3 valence electrons
Sodium has 5 valence electrons
Boron has 3 valence electrons
Which of the following accurately describes the number of aluminum and oxygen atoms in the chemical formula Al(NO2)3?
3 atoms of Aluminum, 3 atoms of Nitrogen, and 6 atoms of Oxygen
1 atom of Aluminum, 3 atoms of Nitrogen, and 6 atoms of Oxygen
1 atoms of Aluminum, 1 atom of Nitrogen, and 6 atoms of Oxygen
3 atoms of Aluminum, 1 atom of Nitrogen, and 6 atoms of Oxygen
Which of the following is an example that includes evidence of a chemical reaction?
A sample of zinc is placed in water and settles to the bottom.
A solid block of ice is heated and completely melts into a liquid.
Sugar that is burned gives off an odor and turns brown and then black
A tomato is placed into a blender and chopped up into smaller pieces.
In a chemical reaction, the mass of the products always equals the mass of which of the following?
molecules
compounds
reactants
atoms
Which statement about the Sun is NOT correct?
The Sun is a medium-sized star near the edge of a disc-shaped galaxy.
The Sun is the closest and largest star in our galaxy.
The Sun is the hottest star in the universe.
Both B & C
A kite stuck in a tree has ____ energy.
potential
kinetic
chemical
thermal
____________________ is the tendency of an object to resist any change in its motion.
an unbalanced force
inertia
velocity
friction
