click below
click below
Normal Size Small Size show me how
rea gace 002
science
Question | Answer |
---|---|
The earth is divided into 24 hours time zones, what is the degree of separation between time zones | 15 degrees |
Scenario: teacher has a fish tank w/ water to demonstrate predications about sink/float. what scientific principle does this demonstrate | concept of density and its relation to mass and volume |
What is the role of evaporation & condensation in the water cycle | they recycle and redistribute the water into the ecosystem |
The capability of predatory animals to develop new physical traits to improve their ability to capture prey represents | adaptations |
the movement of rotation around the sun constitutes a year, the closer the planet is to the sun, the shorter the year. based on this what two plants what are the two planets with a shorter year than earth | Mercury and Venus |
Scenario: teacher has students bring their raincoats outside to observe the clouds. students observe cumulus clouds. what will the weather be for that day? | sunny |
to apply the concept of time zones, students need to have a clear understanding of the | concept of the meridians of longitude |
What causes earthquakes | the movement of continental plates |
A globe is a scale model of the earth shaped in a sphere. A globe sizes and shapes more accurately than a | Mercator projection map |
a student placed a metal spoon on an open flame and the spoon became so hot that it burned his hands. what is the scientific principle represents this type of energy transfer | conduction |
a compass rose is a designed printed on a chart to | show the orientation of a map of the earth |
vinegar is composed of 2 substances- acetic acid( a colorless liquid) and water. this combination of substances is an example a | mixture |
The key function of the food chain in the ecosystem is to | maintain a balance among organisms |
traditionally, matter has been classified into 3 states. what are they | liquid, gas, and solid |
latitude and longitude are used to locate points on a map. what is the term that best describes this type of geometric figure | grid system |
the 118 elements of the periodic table represents the anatomical composition of | matter |
what is the attitudes that are essential for scientific inquiry | curiosity, skepticism, honesty, and openness |
the basic states of matter are | plasma, liquid, solid, and gas |
When it is winter in North America, it is because | the Earth is tilted on its axis with the North Pole tilted away |
The invention of cell phones has revolutionized the communication industry. however, it has also become a health concern because these electronic devices | emit radiation that may cause cancer |
Petroleum products come from nonrenewable fossil fuels. these types of energy sources are nonrenewable because they come from | decayed remains of animal and plants |
Asteroids, planets,, moons, and comets are part of what | solar system |
The scientific concept that best explains the formation of mountains and mountain ranges on earth is | the movement of tectonic plates |
Volcano eruptions can cause other natural physical events like earthquakes, avalanches, mudslides and | tsunamis |
planet with the shortest year is | Mercury |
when plants take solar energy from the sun and transform it to usable energy, we say that energy was transformed to | chemical energy |
what is the scientific explanation of the popular saying "once in a blue moon"? | an extra full moon period that occurs every two or three years |
the ice cap of the North Pole is melting at an alarming rate. The melting of the ice cap is an example of | physical change |
warm- and cold-blooded animals need heat to survive; however, only warm-blooded animals produce heat. Cold-blooded animals obtain heat from | the sun |