Science Praxis 5005 form 2 already graded A+
1. Chemical Changes
What type of change occurs when wood is burned?
A. Physical change
B. Chemical change
C. Physical and chemical change
D. No change
Answer: B. Chemical change
2. Earthquakes
What type of phenomenon can be measured usi...
What type of phenomenon can be measured using the Richter scale?
A. Hurricanes
B. Tornadoes
C. Tsunamis
D. Earthquakes
Answer: D. Earthquakes
3. Mammals
What characteristic is unique to mammals?
, A. Bony skeleton
B. Milk-producing glands
C. Vertebral column
D. Circulating blood cells
Answer: B. Milk-producing glands
4. Maritime Air Masses
Where do maritime air masses typically form?
A. Equatorial deserts
B. Tall mountains
C. Large bodies of water
D. The South Pole
Answer: C. Large bodies of water
A student measures the mass of a sample of cloudy pond water in a closed container. Under which of
the following treatments will the mass of the sample most likely remain the same?
A.Placing the pond-water sample and container in a freezer overnight
B.Adding water-soluble substances to the pond-water sample
C.Transferring the pond water to an open container and boiling it for one hour
D.Filtering the pond water using a stemmed funnel and a paper filter ✔️A.Placing the pond-water
sample and container in a freezer overnight
Most of an atom's volume is
A.occupied by the nucleus
B.occupied by protons
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