ACT Science Relationships and Trends

ACT Science Relationships and Trends

By Victor Castillo

Multiple Choice

Which liquid had the highest molecular mass?

• Hexane

• Petroleum Ether

• Ethanol

• H20

Multiple Choice

A scientist has that the larger the molecular mass, the larger the viscosity. Is he correct?

• Yes, it is supported by Table 1.

• Yes, it is supported by Figure 1.

• No, because different molecular masses have differing viscosity levels.

• No, because viscosity is the same for all molecular masses.

Multiple Choice

Which pigment had the highest absorption rate at 500 nm wavelength?

• Chlorophyll A

• Chlorophyll B

• Carotenoids

• All the same

Multiple Choice

Which position produced the highest PE (potential energy)?

• A

• B

• C

• Both D and E

Multiple Choice

Which pigment had the lowest absorption rate at 500 nm wavelength?

• Chlorophyll A

• Chlorophyll B

• Carotenoids

• All the same

Multiple Choice

Which position produced the highest KE (kinetic energy)?

• A

• B

• C

• Both D and E

Multiple Choice

Does the liquid with the highest density also have highest viscosity?

• Yes, and it is Ethanol

• Yes and it is H20.

• No, because H20 has second highest viscosity while it has the highest density.

• No, because all liquids have the same density.

Multiple Choice

Which pigment had the highest absorption rate at 660 nm wavelength?

• Chlorophyll A

• Chlorophyll B

• Carotenoids

• All the same

Multiple Choice

Which pigment had the lowest absorption rate at 550 nm wavelength?

• Chlorophyll A

• Chlorophyll B

• Carotenoids

• All the same

Multiple Choice

Both variables increase

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

One variable increases, while the other decreases

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

The independent variable increases, the dependent variable stays the same

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

Lemon trees that receive the most amount of water, produce the most amount of lemons.

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

A study was done to determine the relationship between braking distance and the depth of tire treads. It was found that the deeper the tire treads, the shorter the braking distance.

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

A scientist measured the height of tides in his local river over a 2 week period. During this time period, he noticed that the tide raised and lowered many times.

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

As pressure increases, density increases

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

Which of the following graphs best illustrates the relationship between the heat released by the foods listed in Table 1 and the change in water temperature?

• A
• B
• C
• D

Multiple Choice

As the height of the sun in the sky increases, the length of your shadow decreases

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

As the height of the sun in the sky increases, the length of your shadow decreases

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

What is a line graph used for?

• Recording something over time
• Percentages

Multiple Choice

As the size of a material decreases, its density remains the same

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

On which axis would you place the dependent variable?

• X
• Y
• Z

Multiple Choice

The more time I spend studying, the higher my grades become

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

On which axis would you place the independent variable?

• X
• Y
• Z

Multiple Choice

The more I exercise, the less weight a person gains

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

Based on Figure 1, to measure the voltage across the resistor only, which of the following circuits should one use?

• A
• B
• C
• D

Multiple Choice

As x increases, y remains the same

• Direct relationship

• Indirect relationship

• static relationship

• cyclic relationship

Multiple Choice

The things that are kept the same to ensure the results are due to the experiment is called..

• Constant

• Dependent Variable

• Independent Variable

Multiple Choice

What is the vaccination rate in Australia at the latest date on this graph (Aug 2021)

• 20%

• 25%

• 30%

• 36%

Multiple Choice

The variable the is changed on purpose is..

• Constant
• Control
• Independent Variable
• Dependent Variable

Multiple Choice

What is on the x axis?

• intensity (Hz)

• intensity (db)

• frequency (Hz)

• frequency (db)

Multiple Choice

The variable that is being tested, counted, or measured and is responding to the independent variable is known as 

• Control
• Constant
• Independent Variable
• Dependent Variable

Multiple Choice

this is an experimental group, used as a baseline comparison, that receives all the control variables but does not receive the independent variable

• control group

• experimental group

• independent variable

• dependent variable

Multiple Choice

Its one of the independent variables that is use for comparison, does not get any change, original or plain variable.

• Constant
• Control
• Independent Variable
• Dependent Variable

Multiple Choice

this is the observed variable in an experiment of the study of whose changes are determined by the presence or degree of one or more independent variables

• dependent variable

• independent variable

• control variable

• experimental variable

Multiple Choice

Which brand of paper towel will absorb the most liquid? What is the independent variable?

• Brand of paper towel
• Amount of water absorbed

Multiple Choice

A substance that increases the hydrogen ion concentration of a solution.

• Base

• Ion

• Acid

• pH

Multiple Choice

Which brand of paper towel will absorb the most liquid? What is the dependent variable?

• brand of paper towel
• amount of water absorbed

Multiple Choice

Which pigment had the highest absorption rate at 500 nm wavelength?

• Chlorophyll A

• Chlorophyll B

• Carotenoids

• All the same

Multiple Choice

Angel wants to know if the type of soap has an effect on how clean her clothes get. What is the independent variable?

• type of soap

• how long the laundry takes

Multiple Choice

process of using a set of known data points on a graph predict where an unknown data point outside of that range would lie

• extrapolation

• interpolation

• correlation

• causation

Multiple Choice

Angel wants to know if the type of soap has an effect on how clean her clothes get. What is the dependent variable?

• type of soap

• how clean the clothes are

Multiple Choice

"Compound"

Which of the following is the best definition for this word?

• a substance made up of more than one element

• a liquid or gas

• the force that attracts an object towards the center of the earth

• a section of DNA that determines inheritance

Multiple Choice

Zach wants to determine if the amount of time spent on social media has an effect of grades. What is the independent variable?

• time on social media

• computer skills

Multiple Choice

Which factor is the variable in this experiment?

• the type of bee
• the time of day
• the type of plant
• the color of the flowers

Multiple Choice

Zach wants to determine if the amount of time spent on social media has an effect of grades. What is the dependent variable?

• popularity

• grades

Multiple Choice

According to fig 2 which mineral would be found in rocks of medium grade

• Muscovite

• Biotite

• Kyanite

• Plagioclase

Multiple Choice

Maddie wants to determine if the weight of the dog will determine the number of puppies in a litter. What is the independent variable?

• weight of dog

• number of puppies

Multiple Choice

Maddies wants to determine if the weight of the dog will determine the number of puppies in a litter. What is the dependent variable?

• type of dog

• number of puppies

Multiple Choice

Beth wants to know if increasing her exercise will decrease the time it takes her to run a mile. What is the dependent variable?

• time to run a mile

• amount of exercise

Multiple Choice

Beth wants to know if increasing her exercise will decrease the time it takes her to run a mile. What is the independent variable?

• distance

• amount of exercise

Multiple Choice

Julie wants to know the effect of studying 10 minutes extra each day on her Math. What is the dependent variable?

• her math grade

• studying 10 extra minutes

Multiple Choice

Julie wants to know the effect of studying 10 minutes extra each day on her Math. What is the independent variable?

• her math grade

• studying 10 extra minutes

Multiple Choice

Randell wants to determine if salt in the water has an effect on his goldfish. What is the independent variable?

• how much salt is in the water

• temperature

Multiple Choice

Randell wants to determine if salt in the water has an effect on his goldfish. What is the dependent variable?

• health of his goldfish

• temperature