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
During what moon phases does spring tides occur?
Full moon and new moon.
100
What are the two products of photosynthesis?
Glucose and oxygen
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 pot of water is boiling on the stove. A chef adds rice to it. You see the rice rising and falling in the pot as it cooks. What is making the rice move like this? A. conduction B. convection C. radiation D. subduction
A. convection
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
Which of the following is not an example of weathering? 1. Glaciers scraping rocks across the Earth's surface 2. Freezing and thawing of water in the cracks of rocks. 3. Wind blowing sand from one location to another. 4. Flood waters pounding against a canyon wall.
3. Wind blowing sand from one location to another.
200
Which is an advantage of sexual reproduction? A. genetic diversity B. slow reproduction times C. no mate needed D. alot of energy needed to find a mate.
A. genetic diversity
200
What element has 7 valence electrons and 45 neutrons?
Bromine
300
If a car takes 10 minutes to go 8 miles, what is the car's speed in miles/hr?
48 miles/hr
300
Which of the following determines an atom's identity? A. Atomic mass B. Number of protons C. Number of neutrons D. Number of electrons
D. Number of protons
300
An ocean trench is evidence of which kind of plate boundary?
Subduction (convergent)
300
What body system is responsible for transporting oxygen throughout the body? A. circulatory system B. integumentary system C. skeletal system D. endocrine system
D. circulatory system
300
Which of the following is an example of kinetic energy? A. a stretched rubber band B. a bowling ball sitting on a shelf. C. a flashlight turned on D. a bowl of fruit.
C. a flashlight turned on.
400
You lean against a wall with a force of 30N. What force does the wall push back at you?
30N
400
What type of elements are located on the right side of the periodic table? metals, nonmetals or metalloids
nonmetals
400
What is one condition that is necessary for a hurricane 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 is eukaryote, unicellular or multicellular and heterotrophic A. protists B. animals C. plants D. fungi
C. fungi
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. gold being melted to make jewelry B. frying an egg C. a nail rusting D. bread being toasted
A. gold being melted to make jewelry.
500
Which of the following lunar phases occurs approximately 14 days after a waxing crescent in the lunar cycle? A. full moon B. waning gibbous C. 3rd quarter D. waning cresent
waning gibbous
500
Which animal could be an example of both a secondary and tertiary 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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