Dusty Depot
Which of the following forces causes a ball to move down a hill: A. electric, B. friction, C. gravity, or D. magnetic?
C. gravity
Which of the following is used in determining the apparent magnitude of a star: A. the constellation the star is in, B. the distance the star is from Earth, C. the number of times the star rotates, or D. the number of prominences the star makes?
B. The distance the star is from Earth
Which of the following statements best explains why Mercury has many more craters than Earth has: A. Mercury rotates faster than Earth does, B. Mercury has a smaller mass than Earth has, C. Mercury is much closer to the Sun than Earth is, or D. Mercury has a thinner atmosphere than Earth has?
D. Mercury has a thinner atmosphere than Earth has.
What causes the different water levels at a beach: A. Earth’s revolution, B. the Moon’s rotation, C. Earth’s magnetic field, or D. the Moon’s gravitational pull?
D. the Moon’s gravitational pull
Which of the following impacts on the environment would result from deforestation?: A. increased erosion, B. colder temperatures, C. decreased carbon dioxide, or D. greater oxygen production?
A. increased erosion
In which layer of Earth are the convection currents that directly result in tectonic plate motion found: outer core, mantle, crust, or inner core?
Which of the following statements describes the climate of an area: A. There should be heavy rains tomorrow morning, The rains next week are expected to cause some flooding, The average temperature from 1930–1996 was 23°C (74°F), or The high temperature on September 4, 2009, was 32°C (89°F).
The average temperature from 1930–1996 was 23°C (74°F).
Which of the following ways shows convection: A. cool air replaced by warm air that rises from the surface, B. surface sand heats cooler sand below, C. surface sand warms the air above, or D. light energy heats surface sand
A. Cool air replaced by warm air that rises from the surface.
Why are lithium (Li), sodium (Na), and potassium (K) in the same column in the periodic table: A. they have atoms of the same size, B. they have the same number of protons, C. they have similar properties, or D. they have the same number of neutrons.
C. They have similar properties.
Which of the following is an example of a chemical change: A. a wick burning, B. wax melting, C. a candle changing shape, or D. air around a candle heating up?
A. a wick burning
Which statement describes how the visible energy from the Sun is different from the non-visible energy: it travels at a different speed through space, it travels a different distance through space, it has different wavelengths, or it has different amplitudes?
It has different wavelengths
What property of a magnifying lens is most responsible for allowing it to magnify a penny: it can reflect light, it can refract light, it can increase the intensity of light, or it can increase the wavelength of light?
It can refract light.
Mrs. Fortnite rubbed a balloon on her hair and held the balloon next to the wall. She observed the balloon stick to the wall. Which of the following is responsible for the balloon sticking to the wall: gravity, friction, electric force, or magnetic force?
Electric force
Compared to the structures in an animal cell, which of the following structures is found only in a plant cell: mitochondrion, cytoplasm, nucleus, or cell wall?
Mushrooms, bread molds, and yeasts are classified together in the fungi kingdom. Specific characteristics are used to classify these organisms. Which of the following is a characteristic used to classify these organisms as fungi: they are parasites, they are unicellular, they are prokaryotes, or they are heterotrophs?
They are heterotrophs
A plant produces tiny plants around the edges of its leaves. When these tiny plants fall to the ground, they take root and become new plants. This process is an example of: sexual reproduction, asexual reproduction, evolution, or extinction?
Asexual reproduction
Asexually produced offspring are genetically : identical to the parent, different from the parent, different from each other, or formed by two parents?
Identical to the parent
Which sequence correctly shows the levels of organization for structure and function in a human: cell → tissue → organ → organ system, organ system → cell → tissue → organ, tissue → organ → organ system → cell, or cell → organ → tissue → organ system?
Cell → tissue → organ → organ system
Feathers, wings, and the hollow bones of birds are examples of: adaptations for flight, responses to stimuli, unnecessary body parts, or reproductive structures?
Adaptations for flight
A research team wanted to produce a smaller variety of German shepherd dogs. They mated the smallest dogs from different litters for several generations. This is an example of which concept: extinction, selective breeding, mutation, or natural selection?
Selective breeding
When carbon and oxygen combine chemically, the mass of the product is: greater than the mass of the carbon plus the mass of the oxygen, equal to the mass of the carbon plus the mass of the oxygen, equal to the mass of the carbon, or less than the mass of the carbon?
Equal to the mass of the carbon plus the mass of the oxygen
The length of a year is equivalent to the time it takes for one: rotation of Earth, rotation of the Sun, revolution of Earth around the Sun, or revolution of the Sun around Earth?
Revolution of Earth around the Sun
What is one factor that contributes to seasons occurring in Miami: the revolution of the Moon around Earth, the tilt of Earth on its axis, the rising and falling of ocean tides, or the distance of Earth from the Sun?
The tilt of Earth on its axis
Which event is a chemical change: the baseball strikes the roof, the roof of the car dents, the paint cracks and chips, or the exposed metal rusts?
The exposed metal rusts.
When placed in direct sunlight, which object will absorb the most visible light energy: a piece of clear glass, a snowball, a shiny mirror, or a black sweater?
A black sweater