A new drug is being tested on 50 people. The people are divided into 2 groups, one group is given the new drug; the other group is given a sugar pill (placebo). Which group is the control group?
What is group given the sugar pill
100
What is the boiling point of water?
What is 100 degrees Celsius
100
to dissolve sugar in water what could you do to speed it up?
What is add heat, stir it, crush it
100
what forms a sedimentary rock?
What is compaction and cementation
100
State a piece of evidence that supports continental drift
What is continents fit together, fossils, rocks, and mountains match up on different continents
200
A student collected pollution levels data over 7 days, at different times, and noticed that the pollution levels rose, then dropped, then rose again. What was the students mistake?
What is collected data at different times
200
what phase change would occur at 100 degrees Celsius?
What is boiling
200
out of list below, what is a physical change
nail rusting
cake baking
ice cream melting
What is ice cream melting
200
an igneous rock that is put under heat and pressure will turn into a
What is metamorphic rock
200
what causes the movement of crustal plates?
What is convection currents in earth's mantle
300
2.6 cm equals how many millimeters? (KHDudcm)
What is 26 mm
300
what phase change occurs when ice changes to water?
What is melting
300
all of the following are chemical changes EXCEPT
baking a cake
sawing wood
rusting
What is sawing wood
300
how does an igneous rock form?
What is melting and solidification of magma or lava
300
earthquakes are caused by...
What is movement of crustal plates at a transform boundary
400
get your calculators ready:
Block A has a mass of 120g
its length= 5cm, width=3cm, height=4cm
What is its volume? (V=LWH)
What is 60cm^3
400
out of the choices below, which correctly shows the speed of molecules at different states
solid - liquid - gas
gas - liquid - solid
What is gas - liquid - solid
400
How many atoms are found in H2SO4?
What is 7 H=2, S=1, O=4
400
sea shells and rocks being dropped off on a beach is an example of
What is deposition
400
name an event that occurs due to crustal plate movement
What are earthquakes, volcanoes, mountain building
500
Calculators: mass = 120g, volume = 60cm^3
what is the blocks density? D = m/v
If we cut the block in half, what would happen to its density?
What is 2.0g/cm^3
density of a pure substance ALWAYS STAYS THE SAME!
500
matter that is made up of ONE type of atom is a ...
What is an element
500
How many different elements are found in the compound CaCO2
What is 3 Ca, C, O
500
ice wedging is an example of
What is weathering
500
lines of latitude measure distances...
lines of longitude measure distances...
What is north and south of equator (lat)
west or east of prime meridian (long)