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WorksheetsQ2 Benchmark Review
Total questions: 10
Worksheet time: 9mins
Scientists recorded the size of a population of house finches in a forest ecosystem from the years 1995 to 2005. The graph shows the POPULATION OF HOUSE FINCHES IN AN AREA that was recorded. What change in the limiting factors in the ecosystem could have caused the population change that occurred between 2001 and 2002?
food supply increased
number of nesting sites increased
water supply increased
disease increased
Derick demonstrated a process that he learned in science class. He poured a small amount of sugar into a cup of water and then stirred it until the sugar disappeared. Which process did Derick demonstrate?
how to separate components of a solution
how dissolving a substance in liquids is an example of a chemical reaction
how substances dissolve in liquids to produce a pure substance
how two pure substances can be combined to form a solution
Jane did an investigation about the states of matter. As part of the investigation, Jane wanted to change a liquid into a solid. What must she do to bring about this change in state?
Stir the liquid as quickly and thoroughly as possible
Increase the energy of the liquid so that its particles move faster
Place the liquid in a different container
Remove energy from the liquid so that its particles slow down
When humans cut down woodlands to to harvest timber or clear the land for farms or ranches. The action of clearing a wide area of trees.
drought
desertification
deforestation
erosion
When an acid and a base are combined, a
Neutralization happens in the form of a _______ and water.
metal
protein
salt
sand
What part of an atom has a negative charge?
electron
proton
nucleus
neutron
The middle of the atom, which contains protons and neutrons, is called _____.
nucleus
proton
neutron
electron
The illustration below shows three states of matter in separate jars.
Which statement about these jars is correct?
Jar A contains a gas
Jar B contains a liquid
Jar C contains particles that vibrate in position
Jars A and C have particles that move more than those in Jar B
Adding powdered Gatorade to water makes a tasty solution. What is the solute in this example?
Gatorade liquid
water
Gatorade powder
Gatorade container
Using this density column, list the substances in order from LEAST dense to MOST dense
Syrup, Oil, Water, Air
Water, Syrup, Oil, Air
Syrup, Water, Oil, Air
Air, Oil, Water, Syrup
