Vocabulary practice

Ex. 1. Make sure you understand and can explain the following terms and notions:

Lunar, dew point, Cosmology, weathering, rotation, eruption.

Ex. 2. Select the correct answer.

1. …crystallizes from water droplets in clouds and falls to the earth.

2. … can be from cloud to cloud or from cloud to ground.

3. The … is divided into a number of tectonic plates.

4. Three types of rocks are found in the earth's….

5. … disintegrates rocks physically and chemically.

Ex. 3. Supply the sentences with required words; if necessary change their grammatical forms.

lunar tide to revolve eclipse solar to rotate

1. A … eclipse occurs when the sun is "hidden" behind the moon.

2. The earth … around its axis.

3. The earth … in an orbit (path) around the sun.

4. The phases of the moon are also integrally related to … on earth.

5. The position of the sun, earth, and moon can create ….

Ex. 4. Choose the alternative that best suits the context.

1. The sea provides over one-quarter of the … needed in the world.

2. … weathering changes the composition of the rocks.

3. Beaches are the result of … from the pounding surf or oceans.

4. The word … comes from the Latin word meaning traveler.

5. The complex movement of air masses creates our ….

REVIEW QUESTIONS

1. What do cosmologists study?

2. What causes seasons on earth?

3. About what percent of sea water is salt?

4. How are metamorphic rocks formed?

5. What percent of earth's atmosphere is nitrogen? _____ oxygen? ____

6. About what percent of the earth's surface is covered by water?

PRE-READING ACTIVITIES

Vocabulary enrichment

Physical Sciences Terms Review

Chemistry

composition

Syn: combination, formation, constitution, construction

matter

property

interaction

organic/inorganic

substance

Atoms

subatomic

protons, neutrons, electrons

charge

Matter

gravity

compound

Syn: mixture, blend, union, combination

Chemical Reactions

to absorb

to release

Physics

relativity

particle

Matter and Mass

inertia

density

Motion

force

velocity Syn: rate, gear, speed

magnitude

acceleration

Conservation of Momentum

Energy

mechanical, solar, thermal, chemical, electrical, nuclear

activation energy /potential energy/ kinetic energy

Work

Power

Heat

to transfer

conduction

convection

radiation

Wave Phenomena

frequency

vibration

crest

Light

to scatter

Electricity and Magnetism

Electricity

like/unlike charges

to repel/attract

conductor

insulator

circuit

ampere, volt, ohm

alternating current (AC)/direct current (DC)

Magnetism

coil

navigation

Modern Physics and Radioactivity

discrete

photon

to decay

alpha, beta, gamma radiation

nuclear fission

nuclear fusion