Spring 2007 Part 1 Assessment Review. Answers to Part 1 1.310. 320. 430. 240.1 2.111. 321. 331.141.2 3.112. 122. 432.442.4 4.213. 223. 433.443.3 5.114.

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Presentation transcript:

Spring 2007 Part 1 Assessment Review

Answers to Part

— If you increase the temperature of the liquid, then dissolving time decreases. — Sugar will dissolve faster in hot water. — If you decrease the temperature of the liquid, then dissolving time increases. — If you decrease the temperature, the dissolving time decreases. Note: A hypothesis must be a statement, not a question. — amount of sugar — sugar’s particle size

39%.

— They stopped. — They drove the wrong way and then came back. — They stopped for a break. — They drove somewhere else and then came back.

— carbon dioxide/CO2 or water — sunlight/light energy/light

GG Gg 100% gg gg

respiratory respiratory or excretory circulatory reproductive skeletal, muscular or nervous

— cell membrane — vacuole — cytoplasm — nucleus chloroplast nucleus

— pine tree — grass — algae — green plants — Sun or sunlight

omnivore decomposer carnivore

streak — Test for streak by rubbing the two samples on a streak plate. — Scratch each mineral on a piece of unglazed porcelain.

— melting and solidification — melting and crystallization — melting and cooling — cooling and crystallization — cooling and solidification

range from 28 to 32

— The water helps hold the rock up. — Water is more dense than air. — The water pushes up against the rock. — rock displaces an equal volume of water. — rock takes up space in the water. — It takes up space in the water.

Salt Sand Water — It is made up of more than one substance not chemically combined. — It can be separated by physical means. — It is not chemically combined. — The sand was filtered out and then the water evaporated. — because the water has evaporated — The water evaporated, leaving the salt behind.

— Water from the air has condensed on the glass. — Water vapor changes to water droplets when the air is cooled. — Water changed from a gas to a liquid. — condensation occurred — The ice cubes are floating. — A portion of the ice cube is above the surface of the water. — The ice cubes are not on the bottom of the glass.

— A new substance is produced. — Bubbles are being produced. — CO2 gas is produced. — Acid rain occurs in New York State and it will damage the limestone. — acid rain — air pollution

— Both balloons have the same charge. — The charges are the same so they would push each other away. — Like charges repel. — Both balloons have a negative charge. — Both balloons have a positive charge. — Both balloons have the same electrical charge, and charges of the same kind repel each other.

B — Solar power does not pollute our environment. — Solar power is renewable. — It is quieter. — conservation of fossil fuels

— Tilt of Earth’s axis — The Sun is more direct there. — more light area above the equator — It would be the opposite of what is shown. — latitude and longitude — rectangular coordinate system — an x-y grid system — Earth’s rotation — The Earth spins on its axis.