Science State Testing

The motions of a toy drone are driven by an electric motor. The power source for the toy's motor is a pair of batteries. Which of the following best summarizes the energy transformations taking place in the toy drone? (7.P.11.2)

• Mechanical energy is transformed into light energy, and the light energy is transformed into electrical energy.

• Electrical energy is transformed into chemical energy, and the chemical energy is transformed into mechanical energy.

• Chemical energy is transformed into electrical energy, and the electrical energy is transformed into mechanical energy.

• Light energy is transformed into electrical energy, and the electrical energy is transformed into mechanical energy.

Tags

NGSS.MS-PS3-5

John performed an experiment. He feels that replicating his results will increase the validity of his results. Which of the following is an example of replication? (7.N.1.2)

• Another student copying John’s experiment without permission

• John redoing his own experiment five more times and getting similar results

• Another student redoing John’s experiment five more times and getting similar results

• John researching another scientist’s experiment for similarities

Sandy is conducting an experiment to see if the grades of dancers are better than the grades of baseball players. She organizes the dancers into group A and the baseball players into group B. She records the grades and makes the conclusion that the dancers have overall better grades. Is Sandy correct in her statement that this is an experiment? (7.N.1.3)

• Sandy is incorrect because she did not test anything, so this is an observation.

• Sandy is correct because she obtained the grades and compared the groups, so this is an experiment.

• Sandy is incorrect because she did not collect the data accurately.

• Sandy is correct because she organized the students into two groups.

In an energy pyramid, which organisms have the most energy?

• Secondary consumers

• Primary consumers

• Producers

• Tertiary consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which two terms describe organisms that produce their own food?

• Heterotrophs

• Autotrophs

• Producers

• Decomposers

Tags

NGSS.MS-LS2-3

What characteristics are used to identify the American Robin?

• Head color, Beak shape, and Beak color

• Head color and Beak color

• Beak shape and Beak color

• Beak color

Tags

NGSS.MS-LS4-2

A table of characteristics of arachnids and insects is shown. Which characteristic could be used to distinguish between arachnids and insects?

• Jointed legs

• Body segments

• Presence of eyes

• Presence of antennas

Tags

NGSS.MS-LS4-2

The arrows in a food web always

• point towards the producer

• point towards the consumer

• show energy flowing out of the web

• point towards a carnivore

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

In the energy pyramid below, which organism has the least amount of energy available?

• Producers

• Herbivores

• Carnivores

• Top Predator

Tags

NGSS.MS-LS2-3

Green plants capture and store light energy from the Sun through the process of –

• Cell Division

• Respiration

• Homeostasis

• Photosynthesis

• Geotropism

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3