If Jahlia starts her run 5 miles down the road and finishes her run 32 miles down the road, how far did she run?
27 miles
100
Describe condensation
When water vapor cools and turns back into a liquid. This is how clouds form!
100
Describe what it means when light is reflected
Light waves bounce off of something
100
What is the difference between an atom and a molecule
A molecule is made of more than one atom.
100
What is the equation for density
Density = Mass/Volume
200
It took Kelsey 4 seconds to run 28 meters. What was her speed in meters per second?
7 meters per second
200
What is the air pressure on a clear, sunny day?
High air pressure
200
Red objects reflect what kind of light?
Red light
200
When a block of sodium is placed in water, it fizzes and produces a new gas. Is this physical or chemical change and WHY?
This is a chemical change because something new is produced.
200
If water has a density of 1g/ml, and a bowling ball has a density of 100 g/ml, which is more buoyant?
The water (buoyant = floaty)
300
Nehema ran for 4 miles at a speed of 8 miles per hour. How long did it take for her to complete her run?
30 minutes or 1/2 hour
300
What 2 factors contribute to the seasons:
a) tilt of the Earth and rotation of the Earth on its axis
b) tilt of the Earth and revolution of the Earth around the sun
c) the tilt of the Earth and the moon's rotation
d) both the revolution and rotation of the Earth
A molecule that has more than one element in it (ex: CO2)
Nonexample: N2 (because there is only one element in it: Nitrogen)
300
Calculate the density of a softball that has a mass of 500g and a volume of 800 ml
5/8 or 500/800 g/ml
400
The B15 drives down Buffalo at a speed of 5 meters per second. When it turns on St. John's, it takes 2 seconds to increase its speed to 10 meters per second. What is the acceleration of the B15?
2.5 meters / second^2
400
Describe how and where hurricanes are formed
Low pressure over warm tropical oceans
400
Draw a wave with low wavelength
(look on the board)
400
What is it called when light bends when it enters water?
Refraction
400
How much does a pen weigh if it has a volume of 10 ml and a density of 1/2 g/ml
5 grams
500
WNBA all star Chiney Ogwumike passes a basketball to her sister, Nneka. It travels with an acceleration of 10 meters/second^2. The mass of the basketball is 1 kilogram. How much force was used to pass the basketball?