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Elements
Natural Resources
Kinetic & Potential
Prefix Meanings
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100
The symbol for Nitrogen
N
100
Which of these is NOT a nonrenewable resource? A. coal B. oxygen gas C. minerals D. natural gas
B. Oxygen-we won't run out of it...it's RENEWABLE
100
The energy related to motion is called:
KINETIC energy
100
re=?
again
100
Which of the following substances is an element? CO2 NaS Co KF
Co-Cobalt
200
Which of the following is NOT an element? Helium Nitrogen Water Sodium
Water
200
Which of these resources would MOST be affected by the weather? A. wind B. geothermal heat C. natural gas D. nuclear
A. Wind-it changes with the weather; it is the WEATHER!
200
Which of these describes an object with POTENTIAL energy? A. baseball flying through the air B. bike speeding down the street C. a swing going back and forth D. a ball sitting at the top of the hill
D. ball sitting-not moving
200
kine=?
movement or motion
200
What are columns called on the periodic table?
Groups
300
This is the LIGHTEST element, and it's symbol is H.
Hydrogen
300
How can your school best decrease energy use? A. Tell teachers not to let students use computers B. Install motion sensors to turn off lights when rooms are empty C. Only run air conditioners in May and August if temperature is above 85 degrees D. Lights, heat, and air should only be used between 8-4
B. Install motion sensors to turn off lights!
300
At which point would a roller coaster have the GREATEST potential energy? A. At the bottom of the hill B. Before it starts moving C. Stopped at the highest hill D. Going up the highest hill
C. Stopped at the highest hill!!! Height increases potential energy!
300
geo=?
Earth
300
Which of these is an example of a CHEMICAL reaction? A. boiling water B. iron nail rusting C. Corn being ground D. sugar dissolving in ice tea
B. iron nail rusting (iron has turned into a new substance, RUST!)
400
The Earth's atmosphere is like a thin blanket of gases around our planet. The symbols of the most abundant elements that make up this blanket are N and O. What are their names?
Nitrogen, Oxygen
400
Oil, natural gas, and coal are all fossil fuels. What is a FOSSIL fuel made of?
Dead plants and animals-from dinosaur time
400
Density = mass/volume Object A has a mass of 50 g, and a volume of 10 cm3 What is Object A? A. Aluminum=2.7 g/cm3 B. Nylon=1.15 g/cm3 C. Lead=5.0 g/cm3 D. Wood=0.5 g/cm3
C. Lead 50/10=5.0 g/cm3
400
hydro=?
water
400
Which of these pure substances are an ELEMENT? He CaCl2 H2SO4 NaCl
He
500
Which of the following statements are CHARACTERISTICS of an element? Can be more than one! 1. Made from a mixture 2. A pure substance 3. Represented by a symbol 4. Make up matter on Earth
2, 3, 4
500
Your home energy use: 36% heating, 13% appliances, 13% Cooling, 10% lighting What should you do to BEST help conserve energy? A. turn off all lights during 7am-7pm B. turn up the temperature 2 degrees during the summer C. Lower temperature 2 degrees during the winter D. Unplug all appliances when not in use
C. lower temperature of heater during the winter, it uses 36% of your energy!
500
See test
B. Man holding the bow and arrow-no motion, ONLY potential energy!
500
litho=?
rock
500
H3N What two elements make up this COMPOUND?
H=hydrogen N=Nitrogen