Oklahoma Science Review

What is a GALAXY?

• The speed of the internet

• A group of billions of stars

• A large object in space that orbits a planet

• How the heat of the sun is measured

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What is an ATMOSPHERE?

• An envelope of gas surrounding an object in space

• The center of a planet

• A shape that you study in Geometry

• A book of maps

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What is a SUNSPOT?

• A really bad sunburn

• A dark area on the sun's surface that gives off less energy than the rest of the sun

• The hottest part of the sun

• The shadow of another object on the sun's surface

For every action there is an equal and ___________ reaction

• same

• opposite

• larger

• smaller

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During the process of evolution, animals did not exist until____________.

• after Pangea had become separate land masses

• after many earthquakes and volcano eruptions

• after atmospheric oxygen had increased

• after a great diversity of plants formed

What two things led to mass extinctions throughout the earth's history?

• gradual changes and catastrophic events

• earthquakes and volcanoes

• over hunting and natural disasters

• pollution and space exploration

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What type of rock forms near volcanoes?

• all types of rocks

• metamorphic

• igneous

• sedimentary

What is NOT a way to increase the strength of an electromagnet?

• decrease the number of coils

• use a stronger battery

• use a stronger magnet

• increase the number of coils

How can you test to see if an electromagnet is stronger after adding more coils of wire?

• if it picks up fewer paperclips

• compass still points toward the electromagnet when moved further away

• if it picks up the same number of paperclips

• compass still points toward the electromagnet when moved closer

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This is an example of a __________ wave.

• digital

• analog

• binary

• loopy

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