Scientific Method &
Safety
Safety
True or False?
Never taste or directly smell a liquid from the bottle
TRUE
A container of water is placed in an open area outdoors so that the evaporation rate may be observed. The water will probably evaporate fastest when the air is
A) cool and humid
B) cool and dry
C) warm and humid
D) warm and dry
D
What occurs due to the rotation of the Earth?
day and night
Which of the following is the thickest layer of Earth?
Mantle
Which type of rock is formed from cooled and hardened magma?
Igneous
Which of the following describes the proper actions to be taken before participating in laboratory activities?
A) Roll down sleeves and wear sandals.
B) Roll down sleeves and leave hair down.
C) Roll up sleeves and push hair back.
D) Eat in the lab and do not wear goggles
C)
As a cold front passes a weather station, what change will occur in terms of air temperature?
Temperature falls
About how long does it take for the Earth to make one rotation around its axis?
24 hours or 1 day
Geologists believe that millions of years ago all of the continents were united into a single supercontinent, called____________
Pangaea
What type of rock has many layers and fossils?
Sedimentary
During a science experiment Jack spilled an unknown powder. What should he do first?
Tell the teacher immediately that he spilled the powder.
The Earth has varied winds, rain and weather conditions because of________
the sun
Which way does it appear that the sun moves through the sky?
A) north to south
B) south to north
C) east to west
D) west to east
C
What occurs when the Earth's plates move toward each other?
A) mountain building
B) the tides
C) chemical weathering
D) tornadoes
A
Which type of rock is formed when layers of rock pieces are cemented together?
Sedimentary
In a scientific investigation, after the question is asked, the next step is to_______
formulate a hypothesis
Some storms form over water near the equator typically between the months of June and November. The warm moist air rises quickly over the ocean, causing a strong, whirling storm consisting of high winds and heavy rains. What type of storm is this?
hurricane
Summer days in North America are likely to be hotter than winter days because in summer____________
Earth’s northern axis is tilted toward the Sun and/or the angle of sunlight is more direct
What is the most common cause of an earthquake?
transform fault boundaries moving
Rocks are classified by
how they are formed
What unit could you use to measure temperature?
degrees Celsius or degrees Fahrenheit
Which form of precipitation is most likely to damage a car windshield?
hail
The apparent rising and setting of the Sun as seen from the Earth are caused by the__________
rotation of the Earth
Name evidence that supports the theory that all the continents were once a single landmass (continental drift/Pangaea).
Possible answers:
Rocks and fossils are the same where the continents appear to fit together.
Shapes of continents fit together like puzzle pieces.
Fossils of land animals found on continents across the ocean.
Metamorphic rocks are formed by
heat and pressure