Science FSA Prep

In an experiment, the one variable that is changed is called the

• dependent variable

• independent variable

• experimental variable

• controlled variable

In an experiment, the factor that we measure is called the

• independent variable

• dependent variable

• conclusion

• controlled variable

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

• the male alligators

• the gender of the alligator

• the temperature

• the incubator

Tags

NGSS.MS-LS1-5

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

• the temperature

• the size of the baby alligators

• the incubator

• the gender of the baby alligators

What is the primary function of the chloroplasts in plant cells?

• To break down sugar molecules to release energy

• To store water and nutrients

• To capture light energy and convert it into chemical energy

• To control the entry and exit of substances in and out of the cell

Tags

NGSS.MS-LS1-6

What type of symbiotic relationship benefits one organism without harming the other?

• Mutualism

• Commensalism

• Parasitism

• Predation

What is the term for the amount of matter in an object?

• Weight

• Density

• Mass

• Volume

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-1

What is the term for the movement of particles from an area of higher concentration to an area of lower concentration?

• Osmosis

• Diffusion

• Active transport

• Endocytosis

Which of the following is NOT a renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydroelectric power

What is the difference between a scientific theory and a scientific law?

• A theory is a well-tested range of representations and a law is a concrete physical representation.

• A theory is a well-tested range of observations of why something works and a law is a well-tested concrete explanation how things work

• A theory is a well-tested range of observations of how something works and a law is a well-tested concrete explanation of why things work

• A theory is a hypothesis that is yet to be proven false and a law is a hypothesis that will always be true.