Upload
others
View
1
Download
0
Embed Size (px)
Citation preview
BenchmarkMarch Name______________________________
1. An alligator is classified as an organism that
has _scales and legs_.
2. __Centimeters __ is the unit of
measurement that would be used for the instrument above.
3. A hard boiled egg will float in a container of
water if salt is added to the water. __ The salt __ is the independent variable.
4. __E. coli does not grow well at low and
high temperatures __ is an inference about the temperature for E. coli bacterial growth.
5. A constant in the experiment is __ the
factors that stay the same __.
6. A student hung his laundry outside, during a 85°F day, on a clothes line. The type of weather that will dry the clothes the fastest is __Sunny__.
7. __ 30% __ of the Earth’s energy budget is reflected back into space?
8. The periodic table is arranged __by the
atomic number_______ 9. The direct transfer of heat from one object to
another through touching is called __conduction__.
10. The widening channel of a river where it
meets the sea, mixing fresh water and salt water is called an __estuary_____
11. Clouds form because water vapor
__condenses__.
BenchmarkMarch Name______________________________ 12. It is important to keep pollution out of the
nearest stream or river because __the pollution found in the local stream or river eventually flows into the ocean__.
13. The atomic number for iron is __26__.
14. The stream label number 1 carries sediment
into the wetland. __The wetland maintains water quality by filtering the sediment __ is the effect the wetland has on the water and sediment.
15. The asteroid belt lies between __Mars and
Jupiter__.
16. __Electrons__ orbit the nucleus of an atom.
17. Label the Chesapeake Bay. This is
answered for you.
18. A tributary of the Fredrick River is labeled number __1__.
19. The phases of the moon, eclipses, and tides
are caused by __the position of the Earth, moon, and Sun __.
BenchmarkMarch Name______________________________
20. A person poured oil into a creek at the
starred location on the Virginia map. The major body of water that would most likely be harmed is __Atlantic Ocean __.
21. __Jupiter __ is NOT an inner planet. 22. There are __8 __ planets in the solar system. 23. The time it takes a planet to make one
complete trip around the Sun is called its __period of revolution__.
24. Correctly label the atom. This is answered
for you. 25. Water is able to dissolve many substances,
and is commonly known as the __universal solvent__.
26. Two or more elements chemically combined
together to form
27. __OH__ is an example of a compound. 28. __ Water sinks when it freezes __ is NOT a
property of water. 29. The process of a gas changing into a liquid is
__condensation__. 30. The process of a water molecule changing
into a gaseous state is __evaporation__.