GED Science Test

What is an example of a physical change in a solution?

• Dissolving ammonium chloride in water is a physical change that results in a temperature drop.

• Burning wood to produce ash and smoke is a physical change.

• Mixing vinegar and baking soda to produce carbon dioxide gas is a physical change.

• Melting ice to form water is a physical change.

What is the velocity of a person who traveled 2000 miles in 72 hours?

• 25 miles/hour

• 27.8 miles/hour

• 30 miles/hour

• 35 miles/hour

What is the appropriate temperature of a solution in degrees Fahrenheit at 60 seconds if the final temperature is 66 °F?

• 64 °F

• 65 °F

• 66 °F

• 67 °F

What do frogs' forelimbs contain that is similar to human arms?

• Carpal bones

• Humerus bones

• Tarsal bones

• Phalanges

Tags

NGSS.MS-LS4-2

Which sample transfers heat energy by conduction: Sample 2 to Sample 3?

• Sample 1 to Sample 2 is an example of heat transfer by convection.

• Sample 2 to Sample 3 is an example of heat transfer by conduction.

• Sample 3 to Sample 4 is an example of heat transfer by radiation.

• Sample 4 to Sample 1 is an example of heat transfer by convection.

What is the formula for calculating velocity?

• Velocity = Distance / Time

• Velocity = Displacement / Time

• Velocity = Speed x Time

• Velocity = Acceleration / Time

What is the significance of temperature change in chemical reactions?

• It indicates the speed of the reaction.

• It can indicate whether a reaction is exothermic or endothermic.

• It shows the concentration of reactants.

• It determines the color of the products.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is displacement in physics?

• The total distance traveled by an object regardless of direction.

• The shortest distance from the initial to the final position of an object.

• The distance an object moves in a straight line without considering its path.

• The average speed of an object over a given time period.

What is the relationship between the forelimbs of different species?

• They are all identical in structure.

• They can show evolutionary relationships through homologous structures.

• They serve the same function in all species.

• They are completely unrelated.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

What is conduction in terms of heat transfer?

• Conduction is the transfer of heat through direct contact between materials.

• Conduction is the transfer of heat through the movement of fluids.

• Conduction is the transfer of heat through electromagnetic waves.

• Conduction is the transfer of heat through radiation.