Motion
In your element
Earth and Stars
Biology
Misc.
100
The tendency of an object at rest to remain at rest or an object in motion to remain in motion is known as - A. friction B. inertia C. motion D. work
B. inertia
100
Potassium (K) has 19 protons, 19 electrons and 20 neutrons. What is the charge of the nucleus? A. no charge B. + 19 C. +20 D. -10
B. + 19
100
What is taken in by a plant as part of photosynthesis? A. Carbon Dioxide B. Chemical Energy C. Oxygen D. Sulfur
A. Carbon Dioxide
100
The moon can be seen in the night sky because the moon - A. emits its own light B. produces radiant energy C. reflects sunlight D. refracts sunlight
C. reflects sunlight
200
A blow dryer transforms- A. electrical energy into potential energy B. Electrical energy to thermal energy C. Kinetic energy to thermal energy D. thermal energy to heat.
B. electrical energy to thermal energy
200
A researcher wants to experiment with an element that reacts like phosphorus (P) but has a greater mass. Which element should the researcher select for the experiment? A. Nitrogen (N) B. Sulfer (S) C. Arsenic (As) D. Silicon (Si)
C. Arsenic (As)
200
The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way? A. Earth is a part of this galaxy B. Many more stars exist outside the galaxy C. The stars in the center of the galaxy are extrememly small. D. The center of the galaxy consists of a dense cluster of stars.
A. Earth is a part of this galaxy.
200
Which are disadvantages of asexual reproduction? A. no genetic diversity B. fast reproduction times C. no mate needed D. alot of energy needed to find a mate.
A. no genetic diversity
200
B. Convection
300
If a runner takes 15 minutes to run 2 miles, what is the runner's speed in miles/hr?
8
300
Which of the following must be the same for every atom of the element hydrogen? A. Atomic mass B. Number of protons C. Number of neutrons D. Number of electrons
D. Number of protons
300
An open trench is evidence of which kind of plate boundary?
Subduction (convergent)
300
What body system is responsible for growth and development? A. circulatory system B. integumentary system C. skeletal system D. endocrine system
D. endocrine system
300
A person changes the oil in their car and dumps the old oil on the ground in an empty lot. How might this affect the environment? A. The oil will evaporate. B. The oil will not affect the environment. C. The oil may enter the groundwater and pollute it. D. The oil may act as a fertilizer for plants.
C. The oil may enter the groundwater and pollute it.
400
The Law of Conservation of Energy states
Energy can not be created or destroyed?
400
A bicycle ride travels 50 miles at a rate of 5 miles/hr. How long did the trip last?
10 hours
400
What is one condition that is necessary for a hurrricane to form?
A. Warm ocean water B. a Strong cold front C. Cold ocean water D. A strong warm front.
400
What type of organism is an eukaryote, multicellular and autotrophic A. protists B. animals C. plants D. fungi
C. plants
400
Water evaporates from oceans and lakes and falls back to the Earth as rain or snow. What is the primary energy source that drives this process? A. ocean currents B. the sun C. air pressure D. the wind
B. the sun
500
A cart is pushed with a force of 40N and moves with an acceleration of 4 m/s2. What is the mass of the cart?
10kg
500
Which of the following is not a chemical change? A. boiling water B. frying an egg C. a nail rusting D. bread being toasted
A. boiling water.
500
Which of the following lunar phases occurs approximately 14 days after a waning crescent in the lunar cycle? A. a new moon B. 1st quarter C. 3rd quarter D. waxing cresent
waxing gibbous
500
Which animal could be an example of a primary and secondary consumer? A. raccoon B. hawk C. deer D. grass
hawk
500
What characteristic is shared by all cells? A. They all require energy. B. They all make their own food. C. They all reproduce sexually. D. They all move from place to place.
A. They all require energy.
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