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WorksheetsScience DA 4
Total questions: 83
Worksheet time: 3hrs 46mins
The spinning of the earth on its axis that causes day and night is called
orbit.
axis.
rotation.
revolution.
The Sun is a ________, a huge ball of glowing gases.
planet
asteroid
star
comet
The hottest stars are __________.
green
red
yellow
blue
The Sun looks like the largest and brightest star in our galaxy because _________.
It is the largest and brightest star.
It is billions of light-years away.
It is the closest star to us.
The Sun is not a star, it is a planet.
The sun provides the Earth with…
Heat and light
Light and darkness
Heat and cold temperatures
Light and cold temperatures
What word means "an organism that feeds on dead plants and animals and their waste"?
food chain
producer
decompose
simple machine
What is the definition of "ecosystem"?
Living and nonliving things interacting in an environment
A force that pulls gravity toward the center of Earth
A living thing.
Rare, or having very little of something
The moon orbiting the Earth at a constant speed.
Balanced Force
Unbalanced Force
Which of these is a possible food chain for this environment?
Sun → grass → fly → frog
frog → fly → grass → Sun
Sun ← grass ← fly ← frog
Sun → fly → frog → snake
What does the arrow point to in a food chain?
only the plants in a food chain
only the animals in a food chain
the organism that gets the energy
the organism that lives the longest
What is missing in this simple food chain?
Consumer
Producer
Decomposer
Herbivore
If the trees are destroyed in a forest fire, what could happen to the rest of the food chain?
trees → bugs→ birds → fox
there will be no change in the food chain
the population of the primary producers will increase
the population of the consumers will increase
the population of the consumers will decrease
A student is developing a model of an ecosystem. Why does she want to include the sun in her model?
The sun is needed to make the seasons on Earth.
The sun keeps everything warm on Earth.
The sun allows plants and animals to be part of the same ecosystem.
The sun provides the energy for the production of food in the ecosystem.
Sarah left her glass of ice-cold lemonade on the table while she went swimming. When she returned for it, she noticed that there were a lot of water droplets on the outside of the glass and a puddle under it. What caused these droplets to form?
Liquid water in the air condensed on the cold glass.
Water vapor from the air condensed on the cold glass.
Water vapor in the air evaporated as a liquid.
Her cat licked the outside of the glass.
Which process does the letter Y describe in the water cycle diagram above?
surface runoff
evaporation
condensation
precipitation
As water vapor rises into the sky, it is cooled and forms clouds. What is this called?
condensation
evaporation
collection
transportation
Which BEST explains the difference between a consumer and a producer?
Consumers eat other living things, while producers make their own food.
Consumers break down the waste of dead plants and animals, while producers make their own food.
Consumers make their own food, while producers eat the remains of dead plant and animals.
Consumers make their own food, while producers eat other living things.
Samantha is trying to make a goal from the middle of the field. The picture shows the distances of her first 3 kicks. What should she do differently?
Kick the ball to her friend Diana
Kick the ball off an alien
Kick the ball at a higher angle
Kick the ball with a greater force
Students in science class wanted to see how using different surfaces would affect the distance a toy truck rolled after going down a ramp. What force were they testing?
pushes and pulls
gravity
friction
magnetism
Brian noticed that when he released a car from the taller slide, the car’s speed increased. Annette noticed when she released the same car from the shorter slide, the car seemed slower. What force were they experimenting with?
gravity
pull
magnetism
friction
Nina spills some water on the sidewalk, creating a small puddle. The temperature outside is 60°F. Three hours later, she notices that the puddle of water is gone. What MOST LIKELY happened to the puddle?
The water from the puddle condensed into water vapor.
The water from the puddle froze to the sidewalk.
The water from the puddle evaporated into gas.
The water from the puddle boiled on the sidewalk.
Which diagram below BEST represents the flow of energy when a sample of water changes states?
Sarah is using a pulley to lift an object. A diagram of the pulley is shown below.
How does this pulley make it easier to lift an object?
It allows a person to pull downward to lift an object upward.
It increases the strength of the person lifting the object.
It changes the weight of the object.
It reduces the strength of the force of gravity.
In the image below, a man is using a hammer claw to remove a nail from a post.
In this example, what kind of simple machine is the hammer?
wheel and axle
pulley
screw
lever
Arnold put up a picture frame by hanging it on a nail in the wall.
Later that day, the nail slipped out, and the picture frame fell to the floor. Arnold is thinking about the forces that acted on the frame. What is the BEST way to describe those forces?
before the nail slipped out: forces were unbalanced
after the nail slipped out: forces were unbalanced
before the nail slipped out: forces were balanced
after the nail slipped out: forces were unbalanced
before the nail slipped out: forces were unbalanced
after the nail slipped out: forces were balanced
before the nail slipped out: forces were balanced
after the nail slipped out: forces were balanced
Which best describes the type of weather associated with low air pressure?
clear and dry
cloudy with precipitation
sunny with high winds
sunny, cool, and clear
Which is most associated with a thunderstorm?
high air pressure
winds blowing from the east
winds blowing from the west
low air pressure
Which most likely produces clear, cool weather?
zero air pressure
a low pressure system
a high pressure system
stable air pressure
The numbers on the weather map you see in each area are
number of rain drops in the area
temperatures
the amount of days left in the year
The Blue H on the weather map indicates
Snow in the areas
High pressure and clear skies
Low pressure
This image indicates a
warm front
stationary front
cold front
The image shows a
stationary front
warm front
cold front
The image shows a
stationary front
warm front
cold front
A kind of energy that travels in waves that you hear
Sound
Crest
Light
Pitch
