What could you do to increase friction?
A. add a lubricant
B. increase mass
C. increase speed
D. add extra wheels
B. increase mass
Which wave has the highest energy?
A. infrared
B. visible
C. ultraviolet
D. frequency
C. ultraviolet
Which example describes a contact force?
A. A baseball being hit by a bat
B. A basketball falling to the ground
C. A metal pin being pulled toward a magnet
D. An electric field causing a person's hair to stand on end
A. A baseball being hit by a bat
The nucleus of a cell divides by the process of
a. mitosis.
b. osmosis.
c. diffusion.
d. respiration.
a. mitosis.
The lithosphere consists of:
a. the inner and outer core.
b. the outer core and mantle.
c. the crust and upper mantle.
d. the crust and the asthenosphere.
c. the crust and upper mantle.
How does a seatbelt protect you?
A. creates friction on you
B. creates a balanced force to stop your motion
C. causes a person in motion to remain in motion
D. creates an unbalanced force to stop your motion
D. creates an unbalanced force to stop your motion
Which type of rock is layered and has fossils?
A. igneous
B. metamorphic
C. mineral
D. sedimentary
D. sedimentary
Newton's second law allows scientists to calculate...
A. speed
B. velocity
C. momentum
D. Acceleration
D. Acceleration
Oxygen is carried throughout the body by
a. white blood cells.
b. red blood cells.
c. guard cells.
d. bone cells.
b. red blood cells.
Oceanic crust is composed mainly of which type of rock?
a. Granite
b. Basalt
c. Pumice
d. Sandstone
b. Basalt
If you drop a rock and a paper at the same time, why will the rock hit the ground first?
A. rock is heavier so gravity has a greater effect
B. rock is smaller and experiences more air resistance
C. paper is spread out and experiences more air resistance
D. paper is lighter so gravity has less effect
C. paper is spread out and experiences more air resistance
How might crystals form in a cave with a river and no volcanic activity?
A. from lava or magma
B. from organic materials
C. from minerals in a liquid solution
D. from pressure acting on other minerals
C. from minerals in a liquid solution
Which force model results is a net force of -150 N?
A. 50 N to the right and 100 N to the right
B. 50 N to the right and 100 N to the left
C. 100 N to the right and 250 N to the left
D. 100 N to the right and 250 N to the right
C. 100 N to the right and 250 N to the left
All of the following are found only in plant cells except
a. vacuoles.
b. cell walls.
c. chlorophyll.
d. chloroplasts.
a. vacuoles.
Continental crust is primarily composed of which rock?
a. Granite
b. Basalt
c. Pumice
d. Sandstone
a. Granite
Which landform was formed by constructive forces?
A. arch
B. bay
C. cave
D. dunes
D. dunes
How is the inner core different from the outer core, and what produces the magnetic field?
A. the outer core is closer to Earth's crust so it creates the magnetic field
B. The outer core is liquid and its movement creates the magnetic field. The inner core is solid
C. The outer core is made from iron which makes the magnetic field. The inner core is nickel
D. The outer core has a greater volume than the inner core and this produces the magnetic field
B. The outer core is liquid and its movement creates the magnetic field. The inner core is solid
In Newton's second law of motion, acceleration can be calculated if ___ are known
A. speed and gravity
B. Net force and mass
C. velocity and weight
D. direction and distance
B. Net force and mass
Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
A. All living things are made of cells.
B. All cells come from other preexisting cells.
C. Cells form through spontaneous generation.
D. Cells are the basic structural and functional units of life.
C. Cells form through spontaneous generation.
Oceanic crust is ____ than continental crust.
a. more dense
b. less dense
c. thicker
d. heavier
a. more dense
Which landform can be formed when the cryosphere and geosphere interact?
A. oceans
B. deltas
C. icebergs
D. valleys
D. valleys
How are sedimentary rocks related to igneous rocks?
A. under pressure, sedimentary rocks form from igneous rocks
B. Igneous rocks can weather, creating sediments that form sedimentary rocks
C. During weathering, sedimentary rocks melt and form igneous rocks
D. Under pressure, igneous rock undergoes changes that form sedimentary rock
B. Igneous rocks can weather, creating sediments that form sedimentary rocks
How are mass and weight related?
A. They are the same
B. They are inversely related
C. They are not related to each other
D. They are proportional to each other
D. They are proportional to each other
Which process do the animals in the food web use to convert energy from food into ATP?
A. cellular respiration
B. osmosis
C. photosynthesis
D. transcription
A. cellular respiration
As you move from the surface of Earth to the inner core, what happens to the density of the materials of each layer?
a. Density increases
b. Density decreases
c. Density stays the same
d. Density increases, then decreases
a. Density increases