Biology
Which of these is not made up of proteins?
A. Hair
B. Enzymes
C. Fingernails
D. Cellulose
D. Cellulose
After a frog dissection lab students should...
A. place the frog in the trash
B. follow the teacher's instructions for disposal
C. take the frog home
D. leave the frog out for the next class
B. follow the teacher's instructions for disposal
Which statement is NOT true about energy?
A. Energy cannot be created or destroyed
B. Energy can be transferred
C. Energy causes change to occur
D. Energy can be observed with a microscope
D. Energy can be observed with a microscope
Which system involves living things on Earth?
A. atmosphere
B. biosphere
C. hydrosphere
D. geosphere
B. biosphere
Ancient scientists thought the universe was geocentric. What does geocentric mean?
A. the planets revolve around the sun
B. the moon revolves around Earth
C. The planets and sun move around Earth
D. The sun moves around the planets and moon
C. The planets and sun move around the Earth
Which of the following is a building block of proteins?
A. Nucleic acid
B. Glycogen
C. Amino Acid
D. Glycerol
C. Amino Acid
Gloves, goggles, and lab aprons protect you during what kind of experiment?
A. mixing chemicals that can harm human tissue
B. testing magnetic properties
C. determining the speed of an object's fall
D. testing how heat is conducted through metals
A. mixing chemicals that can harm human tissue
What type of energy does a moving car have?
A. gravitational potential energy
B. chemical energy
C. potential energy
D. kinetic energy
D. kinetic energy
Animals needing water to survive shows which two systems interacting?
A. hydrosphere and geosphere
B. atmosphere and biosphere
C. biosphere and hydrosphere
D. mesosphere and biosphere
C. biosphere and hydrosphere
Which of these is a result of Earth's tilt on it's axis?
A. day and night
B. lunar eclipses
C. changes in tides
D. different seasons
D. different seasons
Which macromolecule provides immediate energy?
A. protein
B. carbohydrate
C. nucleic acid
D. lipid
B. Carbohydrate
For which activity would you use a petri dish?
A. growing bacteria samples
B. observing an earthworm
C. measuring wave frequency
D. collecting pollen from a plant
A. growing bacteria samples
It takes 50 joules of work to lift a certain chair over 5 seconds. How much power is used to lift the chair?
A. 10 watts
B. 45 watts
C. 55 watts
D. 250 watts
A. 10 watts
Which earth system involves the water cycle?
A. hydrosphere
B. atmosphere
C. biosphere
D. geosphere
A. hydrosphere
Which of these is an effect the moon has on Earth?
A. changes in seasons
B. low and high tides
C. pattern of revolution around the sun
D. difference between night and day
B. low and high tides
Which macromolecule provides energy storage?
A. fat
B. protein
C. carbohydrate
D. nucleic acid
A. fat
What is the first step of the scientific method?
A. hypothesis
B. conclusion
C. question
D. observation
D. observation
A pot of cold water is heated to boiling. A spoon placed in the water becomes warm. Which statement best explains what happens?
A. Energy is created as the spoon becomes warmer
B. Energy is transformed and transferred but it is conserved
C. Energy is lost because the spoon is not as hot as the water
D. Energy is conserved during the transformation, but lost during the transfer
B. Energy is transformed and transferred but it is conserved
Vibrations through Earth's interior are known as...
A. crust waves
B. earthquake waves
C. seismic waves
D. shock waves
C. seismic waves
Why does the moon orbit the Earth instead of the sun?
A. the moon is closer to Earth than to the sun
B. Earth has a stronger gravitational force
C. the moon is too small to be affected by the sun
D. the inertia of the moon is stronger than the forces acting on it
A. the moon is closer to the Earth than to the sun
Which is not related to proteins?
A. muscle composition
B. speeding up chemical reactions
C. DNA coding
D. formation of the cell membrane bilayer
C. DNA coding
A scientific law states what happens. A theory attempts to explain...
A. when it happens
B. if it happens
C. how it happens
D. where it happens
C. How it happens
Energy change = Mass x Specific heat x temperature change
20 kg of aluminum has a specific heat of 900J. It heats up 10K. What is the energy change?
A. 4.5J
B. 450J
C. 18,000J
D. 180,000J
D. 180,000J
Because of enormous pressure, the inner core of the Earth is...
A. liquid
B. solid
C. gas
D. solid and liquid
B. solid
Which of these is a satellite?
A. Titan, a moon of Saturn
B. Halley's comet which loops around the sun
C. a small rock which burns up in Earth's atmosphere
D. chunks of rock found between the orbits of Mars and Jupiter
A. Titan, a moon of Saturn