PROBLEM SOLVING

Date: 2015-10-07; view: 455.

Task one: Sentences building

From the prompts given, build up meaningful sentences; you can add any necessary

material.

1. Experiment/confirm/existence/many/particles.

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2. Elementary particles/not have/electric charge/be/electrically/neutral/be not

/affect/electromagnetic/force.

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3. Strong/nuclear force/hold/together/nuclei/inside/atoms/compose/matter.

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4. Three/quarks/together/form/baryon.

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5. Particles/make/quarks/be/call/hadrons.

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6. Fundamental/particles/make up/protons/neutrons/be/call/quarks.

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7. Quarks/can/not be/isolate/even/most advanced/laboratory/equipment/processes.

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8. By the 1960s/hundreds/different/elementary/particle/be/see.

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9. Scientists/divide/leptons/quarks/two/generations.

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10. Perl/share/1995 Nobel Prize/physics/American/physicist/Frederick Reines/ part/discover/tau lepton.

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Task two: Sentences transformation

Rewrite each of the following sentences in the way that its meaning retains.

1. Dividing the mass of a substance by its density, we find the substance's volume.

To…………………………………………………………………………………

2. Time, mass, and length are of seven fundamental units.

Of …………………………………………………………………………………

3. The basic concepts of the thermodynamics are easily understood in terms of experiments.

Without……………………………………………………………………………

4. Atoms of different substances are different.

Different…………………………………………………………………………

5. In a liquid, the depth and the pressure are in direct ratio.

In a liquid,………………………………………………………………………

6. In physics, particles that cannot be broken down into any other particles are called elementary particles.

Elementary particles……………………………………………………………

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7. Aristotle and other ancient Greek philosophers believed that all things were composed of four elementary materials: fire, water, air, and earth.

All things…………………………………………………………………………

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8. Electrons surround the dense nucleus of an atom.

The dense nucleus…………………………………………………………………

9. Scientists and philosophers have sought to identify and study elementary particles since ancient times.

Elementary particles………………………………………………………………

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10. One of the key predictions of the standard model was the existence of particles carrying the weak force.

The existence …………………………………………………………………….

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