Physics Forces Quiz

David is pushing a shopping cart to the west and it accelerates at a rate of 1 m/s². How much force is David applying to the cart?

• 12 newtons

• 10 newtons

• 8 newtons

• 7 newtons

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Avery is riding a roller coaster. Which statement BEST describes the kinetic and potential energies of the roller coaster at the top of a hill compared with the kinetic and potential energies at the bottom of the hill?

• The roller coaster has more potential energy and less kinetic energy at the top of the hill than it has at the bottom of the hill.

• The roller coaster has less potential energy and more kinetic energy at the top of the hill than it has at the bottom of the hill.

• The roller coaster has the same amounts of potential energy and kinetic energy at the top of the hill as it has at the bottom of the hill.

• The roller coaster has more potential energy and kinetic energy at the top of the hill than it has at the bottom of the hill.

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Aria is conducting an experiment in her chemistry class. She needs to identify an element that has 12 protons in its neutral atom. Which element should she choose?

• Carbon (C)

• Chromium (Cr)

• Magnesium (Mg)

• Zinc (Zn)

Mia is studying a neutral atom with an atomic mass of 16 amu. She wants to know which particles contribute the MOST to the atomic mass of this atom?

• Protons and electrons

• Protons and neutrons

• Neutrons and electrons

• Electrons only

Liam, Luna, and Noah are testing different carts on a track. Based on the data table, which cart has the lowest acceleration?

• W

• X

• Y

• Z

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NGSS.MS-PS2-2

Rohan is planning a series of monthly stargazing events for a year. Most calendar years contain 365 days. What is the number of new moons that can occur in calendar years with 365 days?

• 8

• 13

• 29

• 31

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James and Emma are studying different microorganisms in their biology class. Based on the dichotomous key provided by their teacher, which organism is shown in the diagram?

• Chlamydomonas

• Paramecium

• Peranema

• Chilomonas

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Emma and Grace are studying fossils in their geology class. How do fossil records support the theory of plate tectonics?

• Similar fossils are found on the same continent at different time periods.

• Similar fossils are found on various modern continents.

• Different fossils are found on the same continent during the same time period.

• Fossils found along coastal regions of modern continents are unique.

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James and Liam are discussing astronomical objects. James asks, "Which astronomical object contains a center of dust and ice?"

• Star

• Nebula

• Comet

• Meteor

Emma and Daniel are watching a meteor shower. What happens to a rock as it falls through Earth's atmosphere?

• It becomes a star.

• It vaporizes.

• It forms a nebula.

• It remains unchanged.

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