Achievement Practice Flashcards

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1
Q

What is the food making process in a plant?

A

photosynthesis

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2
Q

A change that makes a totally new substance. (ex. molding, burning)

A

chemical change

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3
Q

This is caused by the tilt of Earth’s axis as it revolves around the sun.

A

four seasons

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4
Q

Things that make their own food through the process of photosynthesis; always at the bottom of a food web or chain.

A

producers

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5
Q

Egg or oval shaped.

A

elliptical

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6
Q

The number of vibrations per second.

A

frequency

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7
Q

An average star in size, brightness and temperature; closest star to Earth.

A

sun

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8
Q

These organisms get their energy by breaking down the remains of dead organisms and returning their nutrients to the soil.

A

Decomposers

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9
Q

How high or low a sound is.

A

pitch

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10
Q

Factors that can change or be kept the same during an experiment.

A

variables

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11
Q

This always transfers from the warmer object to the cooler object.

A

thermal energy

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12
Q

This measures air pressure.

A

barometer

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13
Q

This changes the size, shape, or state of matter of an object.

A

physical change

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14
Q

To protect, preserve and save Earth’s resources.

A

conservation

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15
Q

The path Earth follows around the sun.

A

orbit

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16
Q

The movement of Earth spinning on its tilted axis; this takes 24 hours and causes day and night.

A

rotation

17
Q

These materials allow thermal energy and electricity to move easily through them (ex. metal)

A

conductors