GED Science Flashcards

Based on a provided chart showing the ingredients contained in a pill taken by a person, which ingredient is the correct answer?

Vitamin D

Solve the mathematical problem involving the mean of a data set containing 6 numbers.

Find the median of the following data set: (5, 5, 7, 9, 12).

7

What is a supporting reason given for Vitamin K deficiency in infants?

Not enough breastfeeding

Based on a provided graph, what is the probability of catching one specific type of small fish from a mixed school of various small fishes? (Calculation involves 15/75 = 0.2 x 100).

20%

A scientist conducts an experiment causing two balls to collide to test their momentum/speed, represented by a graph. What is the conclusion of this collision?

The final velocity is less than the initial velocity.

What do the two chemical structures in the diagram have in common?

An oxygen atom is contained in both structures.

In the chemical reaction CH4+2O2---> CO2+ 2H2O, what is the relationship between the reactants and the products?

1 unit of methane produces 2 units of water.

A passage states that dolphins feed on small fish and another organism. If the small fish go extinct, what will be the consequence?

Dolphins will receive less energy.

What is the formula to calculate the net force acting on an airplane, considering Lift, Thrust, Drag, and Weight?

Net force = F - D (where F is Thrust and D is Drag).

A passage describes scientists using a specific drug to stop the multiplication (mitosis) of cancer cells. Did the drug successfully stop cell division at all stages?

No, because the cancer cells were specifically killed only at the metaphase and anaphase stages.

Which two pieces of equipment would a scientist need to select for the experiment described?

A beaker and a balance.

In a scenario involving a fishing rod, what happens to the Mechanical Advantage (MA) if the user's hand moves closer to the handle?

The Mechanical Advantage (MA) decreases.

Given a data set where the value of each subsequent experiment doubles, what will the calculated value be at experiment 10?

1024

In an experiment comparing a mixture of baking powder and water to a mixture of baking powder and vinegar, what is the resulting percentage of the measured variable?

33%

Based on a spider experiment comparing dry and rainy conditions (e.g., Dry 10, Raining 1.8 across different locations), what is the conclusion?

Excluding place 1, the other two places show that spider activity is higher in dry conditions than in rainy conditions.

Calculate the density of the given materials using the provided data and a calculator.

Based on the central point of the provided ecosystem experiment, what will happen to the populations?

The bird population will decrease, and the spider population will increase.

In an energy/food pyramid, energy decreases by 10% at each trophic level as it moves upwards. If the primary level (level 1) has 100,000 Joules of energy, how much energy will be available when it reaches the secondary level (level 3)?

1000 Joules

In an experiment testing children with autism, the subjects were asked to listen to three different types of music for three minutes each while taking a test. What was the outcome for those who listened to a specific type of music?

When they started listening to the music, their test results improved.

What is the dependent variable in the music experiment?

Heart rate

What is the independent variable in the music experiment?

Type of music played

Based on a description of how different fluids seep into various types of soil, identify which soil layer oil and gas will permeate, and plot it on the diagram.

It should be plotted on the second layer designated for "oil and gas."

What is the correct chemical equation for cellular respiration?

C6H12O6+6O2--->6CO2+6H2O+ATP

Describe the process of photosynthesis based on the provided passage.

Photosynthesis converts carbon dioxide and water into glucose by utilizing light energy from the sun.

What is the properly balanced chemical equation for the given reaction?

2Fe2O3+3C--->4Fe+3CO2

What physical evidence indicates whether a chemical reaction is exothermic or endothermic?

A change in temperature.

According to the provided data, what is the composition of Saturn's Ring B?

It contains a large amount of ice and a small amount of carbon rocks.

In a physics scenario involving a moving car colliding with a parked car, what determines the outcome?

The distance traveled by the parked car after the impact depends on the weight of the parked car.

Why did pink iguanas evolve from green to pink to become harmonious with their specific environment?

Their unique traits make them more successful in a stable environment.

Calculate the kinetic energy for the given object.

45000 Joules

Using a Punnett square for a cross involving curly hair (C) and straight hair (S), what is the probability of the offspring possessing the CS genotype?

50%

A male lion has a 50% chance of carrying a specific genetic disease. If he mates with a female lion and they produce 3 male cubs and 1 female cub, what is the probability that all the male cubs inherit the disease?

50%

Calculate the mean of Kelly's diet based on the 5 values provided in the table.

1900

In an experiment comparing salamanders and lizards, the tails of male and female subjects are cut off. What is a flaw or weakness in this experimental design?

It is a weakness because it introduces opportunities for error in the experiment.

According to the salamander and lizard experiment, what is the biological function of the tail?

The tail functionally increases movement and makes the animal less restricted.

Based on the provided cladogram tracking evolutionary traits like eggs, feathers, hair, and eye characteristics, identify the correct classification order of the given animals.

Frog, parrot, lizard, owl.

Interpret a graph showing the motion of two cars. Car A is shown at a constant state, while Car B has positive acceleration. What does the graph indicate?

Car A was stationary (not moving), and Car B moved toward Car A, meeting it at the 8-second mark.

What type of energy source is ideal for mobile phones to minimize environmental impact?

Renewable energy, because it does not have a negative impact on the environment.

In an experiment, if the time interval is set to 25 and each variable is tested 3 times for detailed observation, what is the resulting value?

195 or 105

What is a major conclusion regarding the current global warming cycle?

The melting of glaciers is increasing.

According to the solar nebular theory, what supports the formation of the solar system?

The sun formed due to gravitational collapse caused by planetary orbits.

What is a practical benefit or application of piezoelectric technology?

It allows people to use electrical outlets less frequently.

In an experiment testing the weathering of different rocks, what is the independent variable?

The weathering conditions inside the experimental chamber.

A researcher measures the age of soil using a 4-meter sample from an active dig site. What is the weakness of this experiment?

He tested only one sample, which is insufficient for reliable radiating measurements.

Which organ pumps blood throughout the body? (Options: Brain, Lungs, Heart, Liver).

Heart

From which source does the Earth primarily receive its energy? (Options: Moon, Sun, Wind).

Sun

Why do ocean tides occur on Earth?

Due to the Moon's gravity.

What is the relationship between tectonic plate boundaries and the Earth's surface?

Different plate boundaries determine the effects of earthquakes and cause the formation of mountains on the Earth's surface.

Based on a passage and graph comparing naked mole-rats with another animal in an experiment, what is the biological conclusion?

It relates to their tolerance for oxygen deprivation.

In the combustion reaction of propane (C3H8+5O2---->3CO2+4H2O), how many molecules of carbon dioxide (CO2) are produced?

3

Identify the primary characteristic of an underwater wave based on the provided image.

The pattern of the wave.

In a diagram of waves, what do the different measurements represent?

Unequal wave heights show unequal energy (amplitude), and the distance shows the wavelength.

Based on a graph comparing the heat conduction of Copper, Aluminum, Iron, and one other metal, which metal requires the greatest thickness?

Iron (indicated by the highest point on the graph).

According to a passage, volcanic eruptions release acidic substances into the air. What is the conclusion regarding why water bodies become more acidic after an eruption

The overall acidity of the environment increases.

Describe an exothermic chemical reaction.

Reactants A + B react to form products C + D, releasing energy in the process.

Based on a graph showing radioactive half-life, what is the estimated age of the rock in millions of years?

9000 million years

Based on a graph showing the penguin population from 1990 to 2010, which statement is best supported?

The population experienced a cyclical decline followed by an increase.

What is a primary function of the skeletal system?

To protect the vital organs.

How does convection work in fluids like water or air?

The hotter air goes up and the cooler air sinks down to form a current.

According to the provided passage, what caused the dinosaurs to go extinct?

A massive volcanic eruption covered the surroundings with ash and sulfate (not an earthquake or tsunami).

A study models star movements by examining the spiral arms of the Milky Way Galaxy, using only 25% of the available data. Is this experimental design a strength or a weakness?

It is a weakness because it focuses on only one type of galaxy and size.

In an astronomical study comparing Star 1 (7.8 light-years away) and Star 2 (10.1 light-years away), how can experimental error be minimized?

Each star should be compared with a star of the same or similar type/distance.

Identify the correct flow of energy in the provided food chain diagram.

Grasshopper > Rat > Frog > Snake.

Based on a provided diagram of the Nitrogen cycle involving a rat, plants, and bacteria, what is the conclusion?

Bacteria are the key organisms in the cycle.

Based on the provided phylogenetic tree or data table, what can be concluded about line 8?

Line 8 represents a different species.

What is the purpose of the cylinder in the described experiment?

It could be used to measure conductivity.

Define the state of a solar eclipse based on the provided diagram.

The moon's shadow falls directly on the Earth.

How could an experiment testing the antibacterial effects of penicillin versus garlic be improved?

Ensure there is no physical barrier, such as an algae plate, between the bacteria and the penicillin.

Which statement supports the conclusion regarding theories of dark matter?

Neither theory fully supports the evidence because more active research is needed, and the current evidence is incomplete.

What is the definition of dark matter according to the passage?

It is a mysterious substance in space that is not visible.

Catalysts have their own specific temperature effectiveness ranges. What data from the experiment proves this statement?

The data shows that each element has a different optimal effective temperature.

Based on a diagram defining energy exhaust from a heat reservoir (the excess energy not converted to work), which equation is correct?

Energy of exhaust = Energy of fuel - Energy of motion (work).

In an experiment differentiating between exothermic and endothermic reactions, what step should be added to improve the methodology?

Measure the temperatures of the reactants and products both before and after the chemical reaction.

Based on a graph showing maternal age and the incidence rate of genetic disorders (like Down syndrome), which section of the data highlights the increasing risk for older mothers?

The rising trend shown in the 30-39 year age bracket.

In an experiment observing bees with native plants versus exotic plants, what is the most likely hypothesis?

Introducing exotic plants might alter behaviors, but planting them leads to decreased pollution.

What is the meaning of artificial selection?

The process where humans selectively breed plants and animals for desired traits.

A scientist tests the dissolution of sugar using the formula T = K/t. Calculate the value using the provided data.

4

In an experiment involving E. coli bacteria where 3 procedural steps are given, what is the error in the setup?

A preliminary "before" statement or baseline measurement was missing from all steps.

In a debate among scientists regarding meteorites striking the Earth, what happens to the meteorite as it travels through the atmosphere?

Its overall speed decreases.

In a tomato breeding experiment, what is the dependent variable?

The sizes of the tomatoes after each generation.

Which conclusion best summarizes the results of the plant study?

Salinity levels at or above 20g negatively affect seed germination and plant growth.

What is a major advantage of using wind turbines according to the passage?

Wind turbines are one of the most cost-effective energy sources.

Comparing current and previous atmospheric saturation levels, what happens if CO2 levels continue to rise from burning fossil fuels?

The Earth will become warmer, eventually creating an environment that is too hot for humans.

When comparing a heavy material to a lightweight material under identical forces, what is the difference in acceleration?

At high speeds, the lighter object can accelerate faster than the heavier one.

In agriculture, what is the primary source of the fertile natural material used for planting (e.g., strawberries)?

Natural nutrient-rich material deposited from a flooded river.

What is the conclusion drawn from analyzing the provided temperature graph?

The lowest temperature point is situated close to the starting point and shortly before the peak occurs.

What defines an organ within the biological hierarchy of cellular organization?

An organ is comprised of tissues.

What is the meaning of the word "viable" as used in the passage?

Having the capacity to develop or survive.

What does the word "stratum" mean in paragraph 3?

A level or layer within an ordered system.

What does the word "field" mean as it is used in the passage?

A specific area of study or interest.