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Space/Physical
Physical Science
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100
Which is true for most main sequence stars?
What is they use fusion of hydrogen atoms to produce energy.
100
The teacher then rubbed a ballon with wool, and when she touched the balloon to a wall, it stuck to the wall. Which best explains why the balloon stuck to the wall?
What is the balloon became charged and was attracted to the opposite charge it induced in the wall.
100
Which best describes the cause of the movement of Earth's tectonic plates?
What is heat energy transferred through Earth's mantle.
200
Sirius B is a star with a very high temperature and very low luminosity. What type of star is Sirius B?
What is white dwarf.
200
What is the amount of work done if a 7-newton force is exerted over a 5-meter distance?
What is 35 newton-meters
200
Which is the major cause of the winter season in the United States?
What is Earth's axis tilts the northern hemisphere away from the sun.
300
Some elements have two electrons in their outermost electron energy level. Which describes the most likely location of these elements in the periodic table?
What is second column from the left.
300
How much force must be applied to a stationary 10-kilogram object to accelerate it at a rate of 2 meters/second on a frictionless surface?
What is 20 newtons.
300
Which type of energy is stored in chemical bonds? Kinetic nuclear potential gravitational
What is potential.
400
Which instrument would be best to use to measure the force required to lift the object?
What is a spring scale.
400
What is the ratio of (H2O2) to (O2) in this reaction?
What is 2 molecules H2O2 to 1 molecule O2.
400
Which element will most likely act as a cation in an ionic bond?
What is calcium (Ca)
500
Which diagram best represents the reflected ray. Straight down. Down and angled. Straight back. Up and angled
What is down and angled.
500
Scientists use the electron cloud model to describe atomic structure. According to this model, which feature of an atom is described by probabilities?
What is location of an electron.
500
Which field of scientific study provided important knowledge needed to develop the first microscope?
What is optics.