6th Grade Science Review

Which gas of the Earth's atmosphere is classified as a greenhouse gas?

• Argon

• Carbon Dioxide

• Nitrogen

• Oxygen

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How does the ozone layer help life on Earth?

• It produces oxygen for the atmosphere.

• It protects Earth from meteors.

• It absorbs damaging ultraviolet radiation from the Sun.

• It reflects most of the Sun's radiation to keep the planet cool.

Which is an abiotic factor?

• Rock

• Bacteria

• Dog

• Sunflower

Adam picked up a bottle of water from his fridge, it felt cold on his hand. What type of heat transfer was this?

• Convection

• Conduction

• Radiation

• Weathering

What type of energy comes from the sun?

• Convection

• Conduction

• Radiation

• Light Speed

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Why does the Earth have seasons?

• The Earth is tilted.

• The Earth moves closer to and farther away from the Sun

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What is an ecosystem?

• How living and non-living organisms interact with each other

• The study of living organisms

• How creatures live and survive in the area around them

• The study of dead organisms and how they are decomposed

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This is an example of what type of relationship between organisms?

• Predation

• Commensalism

• Mutualism

• Competition

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Atoms in a solid move…

• Quickly

• Slowly

• average

• They aren't moving at all.

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What causes the seasons?

• The distance between the Earth and the sun at different times of the year.

• Earth’s tilt changes.

• They just happen.

• Earth’s tilt

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