Life Science
If the following food chain is shown:
phytoplankton----shrimp----small fish-----seals
If the small fish are removed from the food chain, what will happen to the shrimp? How will the phytoplankton be effected?
The shrimp population will increase and the phytoplankton will decrease.
Which system supports the body and helps with digestion?
skeletal
respiratory
digestive
muscular
muscular
Which of the surfaces produces the greatest amount of friction
smooth fabric
pavement
sandpaper
sandpaper
Which is an example of a new substance forming?
baking a cake
boiling a pot of water
cutting an apple into slices
baking a cake
What type of pressure system brings rainy, stormy weather?
cold
high
low
low
Which one is an example of a decomposer?
eagle
earthworms
rabbits
squirrels
earthworms
Which ecosystems will support the largest variety of species?
an ecosystem with few plants and animals
an ecosystem with a moderate number of plants and animals
an ecosystem with a large variety of plants and animals
an ecosystem with a large variety of plants and animals
Teresa rolls a marble on a tiled area. The marble rolls from the tile to the carpeted area of the floor.
What will happen to the speed of the marble when it rolls on the carpet?
It will slow down
A cart with a mass of 30 grams is pushed a travels a distance of 50 feet.
If the mass is decreased to 15 grams, how will this effect the distance the cart travels?
It will decrease.
If the temperature in an area has been 55 degrees farenheit for the past 2 days, and a warm front moves into the area. What can you expect to happen to the temperatures after the warm front moves in?
temperatures will increase, temperatures will not change, temperatures will decrease
temperatures will increase
Which one list 1 inherited trait and 1 acquired trait?
hair color and dimples
speaking English and being able to read
being able to roll your tongue and tying your shoes
being able to roll your tongue and tying your shoes
What is the job of the respiratory system?
to transport oxygen and carbon dioxide throughout the body
to exchange gases
to send and receive messages
to exchange gases
Marshall has a toy car that weighs 50 grams.
John has the exact same toy car that weighs 20 grams.
If the cars are pushed with the exact same force, which car will travel a farther distance?
Why?
The car with the mass of 20 grams.
Less mass means greater speed and greater distance traveled.
Which action shows NO new substance being formed.
burning wood in a fire
cooking eggs in a pan
cutting shapes out of paper
cutting shapes out of paper
What land Breeze occurs during the day at the beach where warm air over the ___________ rises and cool air over the ____________ blows in to take its place
land, ocean
Which question helps scientists decide if a trait is acquired?
Does Karl have curly hair?
How did Karl get the scar above his right eye?
What is Karl's height?
How did Karl get the scar above his right eye?
What is the role of the skeletal system?
To provide the body with structure and support, protect vital organs, and produce red blood cells
Which one gives evidence that a new substance has formed?
ice melting
dissolving sugar in water
bubbles forming
bubbles forming
Chris uses a stick of butter that has a mass of 20 grams.
If she melts the entire stick of butter in a pan, what would the mass of the butter be?
the mass would be less, the mass would be the same, the mass would be more
the mass would would be the same
The Gulf Stream is a
cool water current that flows down from the north and cools the coast of NC
warm water current that flows up from the Gulf of Mexico and warms the coast of NC
warm water current that flows up from the Gulf of Mexico and warms the coast of NC
How do the circulatory and respiratory systems work together?
The respiratory system exchanges gases and the circulatory system transports the carbon dioxide and oxygen throughout the body.
Provide evidence to prove the claim that grass is a producer.
Grass can use energy from the sun to make its own food.
Marty has a 100 gram weigh that he wants to split into 2 equal parts.
How much would each part weigh?
75 grams and 25 grams
50 grams each
55 grams and 45 grams
50 grams each
John wants to make a ball roll a farther distance down a ramp. What type of surface would he need to use?
Why would this make the ball roll farther?
a smooth, slick surface
it reduces friction of the object
If rain and heavy cloud cover moves into an area, what can you expect to happen to evaporation and transpiration?
it will not change, it will decrease, it will increase
it will decrease