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Total questions: 25
Worksheet time: 13mins
Four solid balls, each with different mass, are moving at the same speed. Which ball would require the MOST force to stop its motion?
ball with a mass of 5kg
ball with a mass of 10kg
ball with a mass of 15kg
ball with a mass of 20kg
A girl walked for 30 minutes. She noticed that she traveled farther in the first 15 minutes than the second 15 minutes. What can she conclude about her walk?
She walked over many hills
Her average speed was faster during the first half of her walk
She walked in two different directions
She was walking at a constant speed
Which characteristic of a dog is most likely a result of its environment?
color
length of ears
food preference
ability to see in the dark
Which best explains why children resemble their parents?
They eat the same foods.
The have similar DNA
They speak the same language.
They have the same interests.
In which way are evaporation and condensation similar?
Both cause decreases in air temperature.
Both cause increases in air temperature.
Both are caused by the warming of the atmosphere.
Both are cause by changes in heat energy.
Which is an example of a different substance being formed?
glass breaking
metal melting
water freezing
wood burning
What happens to metal railroad tracks during the heat of a summer day?
decrease in weight
increase in length
decrease in length
increase in weight
The weather forecast indicates that a warm front will be moving into the area in the next 24 hours. Which type of weather will MOST LIKELY result?
clear skies and cold temperatures
clear skies and hot temperatures
cloudy skies and rainy weather
heavy snow and ice
What is the cause of rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding of the Pacific Coast of South America?
the Gulf stream
the jet stream
La nina
El nino
What will most likely result when the jet stream moves south of North Carolina?
North Carolina will experience tropical weather conditions.
North Carolina will experience hot, dry weather.
North Carolina will experience mild weather.
North Carolina will experience cold weather.
Which process allows green plants to control the amount of water stored in their leaves?
photosynthesis
transpiration
condensation
respiration
What must occur before clouds can form?
Water vapor must get warmer
Water vapor must lose heat energy
Precipitation must begin to fall and run off
Transpiration must add water vapor to the atmosphere
A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is most responsible for causing the wagon to stop?
gravity acting on the wagon
friction acting on the wagon
the mass of the wagon
the mass of the child
After a rain, a puddle of water remains on the sidewalk. After a day of sunshine, the puddle is gone. Which process is most responsible for the disappearance of the puddle?
precipitation
transpiration
evaporation
condensation
If 10 grams of water are added to 5 grams of salt, how much salt water will be made?
2 grams
5 grams
10 grams
15 grams
A student notices that an inflated balloon gets larger when it is warmed by a lamp. Which best describes the mass of the balloon as a result of this change?
The mass of the balloon increases because the size of the balloon increased.
The mass of the balloon increases because the temperature has increased.
The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up.
The mass of the balloon decreases because the temperature has increased.
Which is most responsible for the uneven heating of the air in the atmosphere?
radiation
convection
conduction
condensation
Which best describes why winds at the beach change direction between day and night?
because the temperature over land and over water change
because warm air over land sinks and stays in place over land
because cool air rises and is replaced by warm air from the ocean
because cool air sinks and stays in place over land
Which will most likely result in a low-pressure weather system?
warm temperatures
cloudy conditions
clear conditions
cool temperatures
Which is the best explanation for how air masses move across the United States?
The prevailing westerlies move air masses from west to east, but may be deflected by the jet stream
Trade winds move air masses from the Pacific Ocean across the United States
The jet stream moves air masses from the Pacific Ocean across the United States
Warm air of the Gulf Stream causes air masses to move from the Atlantic Ocean to the Pacific Ocean
Which is an example of a single-celled organism?
insect
amoeba
fish
worm
Which organism is a producer?
frog
mushroom
grass
lizard
Which is a function of the circulatory system?
to move water throughout the body
to provide structural support for the body
to eliminate waste from the body
to transport gases throughout the body
Which is most responsible for recycling dead plants and animals in an ecosystem?
water
bacteria
fish
insects
Which statement best describes a bacterial cell?
It contains more than one cell
It is a complete organism
It is part of a larger organism
It contains different kinds of cells
