science quiz study

identity two conditions that were held constant in the experiment.

SPF level, amount of Lotion

Which type of fossil is found in the most recently formed sedimentary rock layer?

early horses

Which process is represented in the diagram?

ecological succession

Which sequence lists the hereditary material found inside cells from the smallest unit to the largest unit?

gene-chromosome-nuclues

A puggle is a type of dog first produced by mating two other types of dog, a pug and a beagle. This process is an example of

genetic engineering

Which activity involves only a physical change?

grinding coffee beans

One serving of which food on the data table provides the most energy?

hamburger

Which fertilization and development method is most typical of humans before birth occurs?

internal fertilization and internal development

Gravity is primary force responsible for...

keeping planets in orbit around the sun

which structure's main function is to produce food (sugar) in a plant?

leaf

The relatively thin layer of rock at earth's surface is called the

lithosphere

Which earth layer contains convection currents that are believed to be responsible for the movement of earth's tectonic plates?

mantle

the changes shown are best described as

metamorphosis

compared to the volume of Earth, the volume of the sun is approximately...

1,000,000 times greater

Predict the amount of time for a pendulum with a string length of 70 cm to complete one swing.

1.7

Calculate the number of calories used by a 60-kg person while watching television for two hours.

132

Which location will enter darkness next as Earth's rotation continues?

C

Describe the general relationship between the length of the string and the time to complete one swing of the pendulum.

Direct relationship: as string length increases, the time it takes to complete one swing also increases.

The best title for the diagram is...

Ozone Depletion

Which evidence has led scientists to conclude that there are different layers within Earth's interior?

analysis of earthquake wave data

The relationship between these two organisms is best described as

beneficial

What is the main factor that prevents the growth of tropical plants in the northern part of the U.S?

climate

what part of the cell is labeled A in both diagrams?

cytoplasm

Which two human body systems work together to perform locomotion?

muscular and skeletal systems

an organism that contains chloroplast is able to produce food by the process of...

photosynthesis

Competition within a pack of wolves may increase if there is an increase in the...

size of their population

Infants will often smile when they hear a parents's voice.IN this situation, the parent's voice is considered...

stimulus

The main function of structure X is to

support the plant

A group of organs working together to perform a certain function is called

system

A fox with thick fur would have a survival advantage over other foxes if...

the air temperature significantly decreases in winter

Identify the dependent (responding) variable measured in this experiment.

time to complete one swing

Describe one health benefit that comes from regular participation in activities that provide physical exercise.

weight control