Science Flashcards
Which of the following pieces of safety equipment are most important to have when conducting an investigation that uses glassware?
Goggles
Which of the following student activities will most effectively help students to think critically about the role of plants in an ecosystem?
Designing a functioning terrarium that includes plants and animals
Which of the following is most effective as part of a program to promote health in the United States?
Modifying lifestyle to increase aerobic activities
Of the following, which is a widely accepted explanation that is supported by a large body of observational and experimental evidence?
Theory
Of the following student activities, incorporating which will most effectively help beginning-level English-language learners’ conceptual understanding during an inquiry about organisms and their environment?
Observing animals in a nearby natural area
Which of the following activities is most effective when assessing students’ abilities to use science process skills?
Students designing and implementing hands-on-tasks to find a solution to a problem
Which of the following best predicts what will happen when two objects of the same shape and volume, but different masses, are dropped from shoulder height at the same time? (Assume air resistance is negligible.)
The objects will reach the ground at the same time because their accelerations due to gravity are the same
Of the following substances, which is the best conductor of electricity?
aluminum
Which of the following types of energy is stored in a battery?
chemical
Which of the following types of energy is used by plants and converted to chemical energy as a result of photosynthesis?
light
Which of the following is the most important function of stomata, the small openings found primarily on the surfaces of plant leaves?
Allowing gases to be exchanged between the plant and the atmosphere
In a study on the climbing ability of lizards in a particular habitat, it was found that members of a lizard species with longer legs were better able to climb and survive than members of a lizard species with shorter legs. In this instance, the longer legs are best considered which of the following?
an adaptation
A change in the DNA of which of the following types of cells in a mammal can be passed to future offspring?
sperm
A decrease in the population of a producer will have the most direct immediate effect on which of the following types of organisms in a food chain?
a primary consumer
Of the following, which is most likely the result of plate tectonics?
an active volcano
Which of the following types of rocks are formed under conditions of intense heat and pressure but not enough heat to melt the rock material
metamorphic
Which of the following is the ultimate source of energy that drives weather on Earth?
the sun
Which of the following best represents the positions of Earth, the Moon, and the Sun during a full moon?
directly between the sun and the moon
Which of the following lists of equipment is most appropriate for density investigation?
a graduated cylinder, overflow container, and balance beam
Which of the following best describes the value of having students identify how they may have deviated from an experiment procedure when repeated trials produce different results?
the task helps students to recognize possible sources of error
Because trees can be continuously planted and grown to replace trees that are harvested, they are typically classified as which of the following types of resources?
renewable (something that is endless, like sunlight or wind, or easily replaced)
Which of the following statements about birds most effectively relates structure to function?
birds are equipped with lightweight bones for flight
Which of the following student activities will most effectively help students overcome their misconceptions about how clouds form?
discussing with the teacher how a cloud is formed when the teacher uses a partially filed jar of hot water, hair spray, and a tray of ice cubes to create a cloud in a jar
Of the following student activities which would be most useful for assessing student understanding about the formation of the Grand Canyon?
explaining their ordering of a series of illustrations of the Grand Canyon at different times during its geologic history
A box is initially at rest on a frictionless surface. Which of the following pairs of forces will cause the box to move to the left?
C) 10N → ⏭ ← 25N
Which of the following substances can occur naturally on Earth in the solid state?
water
Which of the following statements about sounds is true?
sound can be modeled as a wave
Which of the following statements correctly compares the mass of a puddle of water to that of the water vapor after the puddle evaporates?
the puddle of water has a mass equal to that of the water, vapor since the water has only changed phases
Which TWO of the following are primary functions of the mammalian skeleton?
supporting body mass/protecting internal organs
Which of the following is most responsible for the development of different domesticated dog breeds
the artificial selection of dogs that have desirable traits
Which of the following ecosystems components forms the base of a food chain?
plants
Of the following, which is thought to be most responsible for the warming of Earth’s atmosphere since the late 1800’s?
increasing carbon dioxide emissions (greenhouse gases)
Of the following conditions, which are best for forming dew on grass?
high relative humidity, falling temperatures
An air mass that originates over the Gulf of Mexico, or another large body of water that is close to the equator, is most likely to be
warm and moist
Of the following, which best accounts for the phases of the Moon as seen from the Earth?
the motion of the Moon around the Earth
Which of the following will best represent data showing the average monthly rainfall amounts for two cities over the course of a year?
a bar graph
Which of the following scientists provided support for Copernicus’ theory that Earth orbits the Sun?
Galileo Galilei
Of the following, which is most effective at engaging students in scientific inquiry?
suggesting that students explore a solution to a problem that’s relevant to everyday life
A force of magnitude F ramp is required to move a box up a smooth ramp to a given height. A force of magnitude F lift is required to lift the same bow straight up off the ground to the same height. which of the following best compares F ramp to F lift?
F ramp < F lift
Of the following, which describes a chemical reaction?
the production of gas by yeast cells during bread making
Which of the following characteristics is most likely to distinguish an organism as a member of the class Insecta?
number of pair of legs
A population of mice, with both dark and light colored individuals, lived in an area of light-colored sand. Development in the area has displaced the population to an area of dark-colored rock. Which of the following is most likely to occur to the displaced population in the new environment?
the proportion of light-colored mice will decrease due to increased predation
The deforestation of land along a river will most likely result in:
an increase in the rate of soil erosion into the river (plant roots help hold soil in place)
The majority of Earth’s nitrogen is found in:
the atmosphere
Which THREE of the following are very different for the Sun and the Moon?
size/mass/density
