Chemical Formulas
Thermal Energy
Speed, Distance, Time
Force & Motion
Space
100
What elements make up the the compound Na3AlF6?
Sodium
Aluminum
Fluoride
100
What type of heat transfer occurs when warm or hot air rises to a ceiling and cold air sinks
Convection
100
Where on this graph is the object at rest?
B
100
what is the definition for force?
a push or a pull
100
What is the name of the natural satellite orbiting the earth?
The moon
200
The compound Sodium Sulfate, Na2SO4 is composed of what elements and how many atoms of each element?
2 Sodium's
1 Sulfur
4 Oxygen
200
Touching a hot car is an example of what type of heat transfer and explain why?
Conduction, because its the transfer of heat through direct touch.
200
The graph shows the movement of an object over a period of 5 seconds. What is the objects average speed over the 5 sec interval?
5m/s
200
What is the net force acting on the object and in what direction will the object move in?
20N to the Right
200
What force keeps us in orbit around the sun?
Gravity
300
Of the two formulas listed, Calcium Hydroxide (CaOH) and Methane (CH4) which formula has the most atoms and which formula has the most elements?
The formula for Methane has more atoms but the formula for Calcium Hydroxide has more elements
300
What can be said about the kinetic energy of particles when a solid melts to a liquid?
The kinetic energy of the particles increases.
300
What is the average speed of the two runners?
Tisa 6.0m/s
Lily 7.5 m/s
300
Which of these examples are accurate descriptions for velocity?
16 km/h
15 mph
50 m/s north
40 m north
11 km/h southeast
50 m/s north and 11 km/h southeast
300
Which characteristic of our solar system is most important to support life on Earth?
the distance between the sun and the earth
(the habitable zone)
400
What elements and how many atoms are present in the formula for
Fe2(H2O)2
Iron = 2
Hydrogen = 4
Oxygen = 2
400
A student was cooking an egg in a frying pan. What kind of heat transfer is occurring between the egg and the pan? Explain why
Conduction, because its the transfer of heat through direct contact of matter
400
If the car continues moving at the same rate for 120 seconds, it will travel a distance of....
120m
400
When a car suddenly stops the objects in the back seat are thrown forward. This is explained by.....
Newtons 1st law of motion
400
Which planet in our solar system will have the greatest gravitational pull?
Jupiter
500
What elements and how many atoms are present in the formula for Al2(SO4)3
Aluminum =2
Sulfur = 3
Oxygen = 12
500
Fill in the blanks....
Heat transfers from _____ to _____.
The heat from the bowl will transfer to the ______ until ______ is reached.
Heat transfers from hot to cold
The heat from the bowl will transfer to the spoon until equilibrium is reached.
500
Which student was the fastest and what was their speed? What was student 2s speed? Who was student 2 faster than?
Student one was the fastest with a speed of 16.67m/s
Student twos speed was 12.5m/s and student 2 was faster than student 4.
500
A book lays motionless on a desk untouched by an outside force will most likely remain motionless because of what two forces?
balanced forces exerted by gravity and the table keep the paper motionless
500
Describe the difference between the asteroid belt and a comet
The asteroid belt is made up of rocks orbiting the sun between Mars and Jupiter. Comets are made of ice and dust.