While the moon is waxing, the sunlit part we see
A. increases B. decreases C. stays the same D. disappears
What is
A. increases
100
Which is example of an organism undergoing sexual reproduction?
A. strawberry plant B. male and female jellyfish C. Bacterium D. Hydra
What is
B. male and female jellyfish
100
Which of these MUST happen for the sea floor to spread apart?
A. a flood B. a hurricane C. plate movement D. volcanic eruption
What is
c. plate movement
100
The smallest particle of matter
What is
an ATOM
100
The downward force exerted on objects due to gravity
What is WEIGHT?
200
An example of a biotic factor in a freshwater lake is
A. the amount of sunlight that passes through the water
B. the temperature of the water
C. the depth of the water
D. the fish that live in the lake
What is
D. the fish that live in the lake
200
The MAIN function of which system is to help protect inner organs from being damaged by outside force?
A. excretory B. nervous C. skeletal D. circulatory
What is
C. skeletal
200
A screw is an example of a simple machine that would be MOST useful for
A. cutting a sandwich B. hammering a nail C. opening a corked bottle D. lifting a rock
What is
C. opening a corked bottle
200
Sour taste and turns blue litmus paper red
What is
an ACID
200
SI unit of mass
What is
kilograms and/or grams?
300
Which of these organisms is located at the base of the energy pyramid?
A. Oak tree
B. Bat
C. Squirrel
D. Earthworm
What is
A. Oak Tree
300
What is the end result in the process of MITOSIS?
What is
Two identical cells
300
What is the end result in the process of MEIOSIS?
What is
Four different cells
300
What must for when two elements join together during a chemical change
What is
a CHEMICAL BOND
300
As the distance between two objects increases, the force of gravity between them
What is
DECREASE?
400
Herbivores, carnivores, and scavengers are all examples of
A. producers B. decomposers C. consumers D. omnivores
What is
C. consumers
400
Which is NOT a major function of the muscular system?
A. moving the bones of the skeleton B. helping the stomach digest food C. helping the lungs take in air D. relaying messages to the brain
What is
D. relaying messages to the brain
400
Sugar cane that is processed to make fuel is an example of which bioengineered product?
What is
adaptive
400
During respiration, what substances combine to release energy for the cell?
What is
glucose and oxygen
400
The gas that makes up most of Earth’s atmosphere
What is
Nitrogen
500
What happens in one year?
A. the moon completes one orbit around Earth
B. the sun travels once around Earth
C. Earth revolves once on its axis
D. Earth completes one orbit around the sun
What is
D. Earth completes one orbit around the sun
500
Which processes can change a metamorphic rock into an igneous rock?
What is
heat and pressue
500
Which systems work MOST closely together to carry oxygen to cells and to remove carbon dioxide waste?
A. digestive & excretory B. skeletal & muscular C. circulatory & respiratory D. nervous & reproductive
What is
C. circulatory & respiratory
500
Which chemical compounds are the reactants of photosynthesis and products of cellular respiration?