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Life Science
Physical Science
Earth & Space Science
Scientific Ideas
Technology & Engineering
100
Which system provides structure for the body - skeletal, muscular or skeletal and muscular?
What is skeletal and muscular
100
What are the three main states of matter?
What is a solid, liquid and a gas
100
Clouds and precipitation moved across western Massachusetts one evening. The temperature changed from 41°F to 28°F. Which of the following changes in precipitation most likely occurred on this evening? A. sleet changing to hail B. snow changing to rain C. rain changing to sleet D. snow changing to hail
What is rain changing to sleet
100
Which scientist theorized the laws of motion, law of universal gravitation and the basis for classical physics - Descrates, Boyle or Newton?
Who is Newton
100
A key on the side of a wind up the train is an example of which simple machine? A. pulley B. wedge C. inclined plane D. wheel and axle
What is a wheel and axle
200
Which system exchanges harmful carbon dioxide for oxygen - skeletal system, respiratory system or lymphatic system?
What is the respiratory system
200
What is the atomic number - number of protons, number of electrons, number of neutrons in the nucleus of the atom?
What is the number of protons in the nucleus of the atom
200
Which of the following is a mineral? A. diamond B. plastic C. steel D. wood
What is a diamond
200
Who constructed the Period table - Kelvin, Darwin or Mendeleev?
Who is Mendeleev
200
The students in a class are making a scale model. They need a material that they can easily bend into a circle. Which of the following objects is best for the students to use? A. copper wire B. glass rod C. lead pipe D. wooden stick
What is a copper wire
300
Which system contains all the hormonal glands that control body growth and reproduction - endocrine, nervous or integumentary system?
What is the endocrine system
300
How do the molecules of a gas behave - do they vibrate in place, clump together or bounce around randomly?
They bounce around randomly
300
Which of the following statements best explains how the decomposition of plant and animal matter helps to form rich soils? A. Decomposition adds silt to soil. B. Decomposition adds water to soil. C. Decomposition adds oxygen to soil. D. Decomposition adds nutrients to soil.
What is decomposition adds nutrients to soil
300
A scientist is using a special camera to take pictures of animals that visit a pond at night. The camera is very expensive and is easily damaged by water. The camera will be left at the pond for a month to take pictures. Which of the following describes the best way to protect the camera while it is taking pictures at the pond? A. attach the camera to a floating raft on the pond B. put the camera inside a solid, metal box on the shore C. place the camera in a sealed, clear plastic container on a pole D. hang the camera by a rope from a high tree limb over the pond
Place the camera in a sealed, clear plastic container on a pole
400
What is the name for a variation that can be passed along to an organism's offspring?
What is a mutation
400
What type of energy do batteries provide - electrical energy, mechanical energy or chemical energy?
What is electrical energy
400
Jupiter is the largest planet in the solar system. It rotates on its axis once about every 10 hours. What time period on Earth would be 10 hours long if Earth rotated on its axis once every 10 hours? A. a day B. a week C. a month D. a year
What is a day
400
Who first theorized that the earth orbits the sun - Heraclides, Copernicus or Kepler?
Who is Copernicus
400
A student rolls a ball down a ramp. The ramp is supported by four stacked books.The student removes two books from the stack supporting the ramp and rolls the ball down the ramp again. Which of the following statements best describes how the ball’s motion is different after the books are removed? A. The ball accelerates more quickly down the ramp. B. The ball has a higher speed at the top of the ramp. C. The ball takes more time to reach the bottom of the ramp. D. The ball has a higher average speed when it rolls off the ramp.
The ball takes more time to reach the bottom of the ramp.
500
Plants use the food they make during photosynthesis to grown and maintain themselves. Food is stored energy. What is the process of breaking down food so that its energy can be used?
What is respiration
500
What kind of energy is generated when atoms cause heat - potential energy, thermal energy or mechanical energy?
What is thermal energy
500
What types of rock are formed by weathering - metamorphic, igneous or sedimentary rocks
What are sedimentary rocks
500
How does the theory of natural selection work
Those who are best adapted to their environment survive and reproduce
500
What are the four main steps in the scientific method?
What are observation, hypothesis, prediction, experimentation