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Earth Science
Life Science
Physical Science
Mixed Review 1
Mixed Review 2
100
Where is most of Earth's water located? A. glaciers B. lakes C. oceans D. rivers
What is C. oceans?
100
The digestion process begins in which of the following? A. large intestine B. mouth C. small intestine D. stomach
What is B. the mouth?
100
Which action will result in a product with new chemical properties? A shredding a newspaper B breaking a mirror C cutting wood D popping popcorn
What is D. popping popcorn?
100
All living things contain which element? A. helium B. sodium C. copper D. carbon
What is D. carbon?
100
Decomposers are important in the food chain because they A. produce their own food using light from the sun B. stop the flow of energy from one organism to another C. break down dead organisms and recycle nutrients into the soil D. are microscopic and other organisms cannot consume them
What is C. break down dead organisms and recycle nutrients into the soil?
200
Which of the following processes is responsible for changing liquid water into water vapor? A. photosynthesis B. condensation C. evaporation D. precipitation
What is C. evaporation?
200
Which of the following is a harmful waste material that leaves the blood and travels through the lungs before leaving the body? A. CO2 B. O2 C. H20 D. NaCl
What is A. CO2?
200
Which of the following represents a chemical reaction? A. a sugar cube dissolving in water B. ice cubes forming in a freezer C. ice cream melting in a bowl D. a cake baking in an oven
What is D. a cake baking in an oven?
200
Which of the following is a property of CO2 gas? A. It feels like a rock. B. It smells like a lemon. C. It is colorless. D. It is hard.
What is C. It is colorless?
200
Which best describes the role of the esophagus in digestion? A. It releases acid and mixes food. B. It aids in absorption of nutrients from food. C. It carries food from the mouth to the stomach. D. It carries food from the stomach to the intestines.
What is C It carries food from the mouth to the stomach?
300
Why is watering plants and grass in the early morning a way to conserve water? A. There is always more water in the morning. B. Smaller amounts of water evaporate in the cool morning. C. Water used in the morning can be recycled for afternoon use. D. Grass can absorb water only in the morning.
What is B. Smaller amounts of water evaporate in the cool morning?
300
Which of the following systems breaks food into nutrients that can be used by the body? A. circulatory B. digestive C. respiratory D. digestive
What is D. digestive?
300
What do water, aluminum, redwood trees, and valley quail all have in common? A. They are all made of elements. B. They are all made of cells. C. They are all living creatures. D. They are all made of atoms.
What is D. they are all made of atoms?
300
Which of the following gases do plants use in photosynthesis? A. hydrogen B. oxygen C. carbon dioxide D. carbon monoxide
What is C. carbon dioxide?
300
Salt concentration, water temperature, plankton, and the whale shark might all be used in a description of an ocean A. climate B. food web C. ecosystem D. population
What is C. ecosystem?
400
Which location on Earth receives the most direct sunlight? A. the deserts B. the South Pole C. the equator D. the Western Hemisphere
What is C. the equator?
400
Which list gives the correct order of food traveling through the digestive system after it is swallowed? A. stomach, esophagus, large intestine, small intestine B. small intestine, large intestine, esophagus, stomach C. esophagus, stomach, large intestine, small intestine D. esophagus, stomach, small intestine, large intestine
What is D. esophagus, stomach, small intestine, large intestine?
400
Sterling silver is a combination of silver and copper. Which of the following is also a combination of two or more metals? A. aluminum B. lead C. gold D. brass
What is D. brass?
400
A scientist needs to take a picture of the well-ordered arrangements of the atoms and molecules within a substance. Which of the following instruments would be best for the scientist to use? A. a laser light with holograph B. a seismograph C. an electron microscope D. a stereoscope
What is C. an electron microscope?
400
Where does oxygen-rich blood go after leaving the lungs? A. the brain B. the heart C. the kidney D. the stomach
What is B. the heart?
500
A city has a temperature of 75 degrees F, with partly cloudy skies. Weather forecasters are predicting that the air pressure and temperature will drop during the day. Which type of weather is most likely for this area in the late afternoon? A. rainy B. sunny C. snowing D. hailing
What is A. rainy?
500
What characteristic do all birds share? A. They can fly. B. They have feathers. C. They have webbed feet. D. They eat worms.
What is B. They have feathers?
500
Which best describes a parallel circuit? A. Electricity flows along one pathway. B. The flow of electricity comes form one source. C. Electricity flows along more than one pathway. D. The flow of electricity comes from more than one source.
What is C. Electricity flows along more than one pathway?
500
Which of the following best explains how stems transport water to other parts of the plant? A. through a chemical called chlorophyll B. by using photosynthesis C. through a system of tubes D. by converting water to food
What is C. through a system of tubes?
500
Above a continent, a warm air mass slowly passes over a cold air mass. As the warm air begins to cool, clouds form. What will most likely happen next? A. rain will fall B. hurricanes will form C. lightning will strike D. hail will form
What is A. rain will fall?