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WorksheetsSaturday Science
Total questions: 24
Worksheet time: 48mins
Name
Class
Date
1.
Which of the following has the largest population in the Indian River Lagoon ecosystem?
a)
crab
b)
egret
c)
flounder
d)
sea grass
2.
Which of the following statements most accurately describes the energy transfer between the levels of the food pyramid in the Indian River Lagoon?
a)
Energy stays in the phytoplankton at the lowest level.
b)
Energy is released into the environment only from the egret.
c)
Energy travels up from the phytoplankton to the clam worm.
d)
Energy moves from the flounder to both the clam worm and egret.
3.
Which of the following statements most accurately describes the energy transfer between the levels of the food pyramid in the Indian River Lagoon?
a)
Energy stays in the phytoplankton at the lowest level.
b)
Energy is released into the environment only from the egret.
c)
Energy travels up from the phytoplankton to the clam worm.
d)
Energy moves from the flounder to both the clam worm and egret.
4.
Felipe and Marsha were studying forces and decided to do an experiment. They placed four equally sized blocks made of different materials on an elevated plastic tray. They watched each of the blocks move down the tray. Their setup is shown below.
Which of the following forces causes the blocks to move down the tray?
Which of the following forces causes the blocks to move down the tray?
a)
electric
b)
friction
c)
gravity
d)
magnetic
5.
Which block would experience the least amount of friction as it moved down the tray?
a)
Ice Block
b)
Sponge Block
c)
Sandpaper Block
d)
Plastic Block
6.
Which of the following conclusions can Felipe and Marsha make about the forces that cause the blocks to move down the tray?
a)
The force of friction is the same on each block.
b)
The force of friction causes the speed of each block to increase.
c)
The force of gravity causes all the blocks to move at the same speed
d)
The force of gravity is greater than the force of friction on all the blocks
7.
Jacob started creating a diagram to show some of the common characteristics of the planets in our solar system.
Which characteristic should Jacob write in the empty circle of the diagram?
Which characteristic should Jacob write in the empty circle of the diagram?
a)
Made Mostly of Gas
b)
Has a Rocky Surface
c)
Revolves around a Star
d)
Is a Satellite of Another Planet
8.
Keisha wants to show Amy what happens during one Earth day. Keisha holds a small globe representing Earth, and Amy holds a large ball representing the Sun.
What should Keisha do to show Amy what happens during one Earth day?
What should Keisha do to show Amy what happens during one Earth day?
a)
Keisha should move the globe in one complete circle around Amy.
b)
Keisha should move the globe toward Amy and then away from her.
c)
Keisha should slowly lift the globe above her head and then lower it.
d)
Keisha should slowly spin the globe one complete time about its axis
9.
Earth has a great variety of surface features that are caused by weathering and erosion. Which of the following describes a change due only to weathering?
a)
ocean waves washing sand off the beach
b)
rivers carrying soil and rocks through valleys
c)
wind blowing sand and pebbles off a sand dune
d)
tree roots breaking rocks into smaller pieces of rock
10.
A model of the water cycle was made using an aquarium with a glass cover, a container of ice cubes, water, and a lamp.
Which part of the water cycle causes the water droplets to form on the glass cover?
Which part of the water cycle causes the water droplets to form on the glass cover?
a)
condensation
b)
evaporation
c)
precipitation
d)
runoff
11.
Earth has many types of climate zones. The map below shows the tundra climate zones of the Northern Hemisphere.
Which of the following best describes this type of climate zone?
Which of the following best describes this type of climate zone?
a)
It is very hot because it is on the coastline.
b)
It is very wet because it is below sea level
c)
It receives very little snowfall because it is close to the ocean.
d)
It has very cold temperatures because it is far from the equator.
12.
Kyle and Jan are comparing two samples of matter. They make a table of the properties of each sample.
Which property provides the best evidence that both samples are solids rather than liquids?
Which property provides the best evidence that both samples are solids rather than liquids?
a)
color
b)
mass
c)
shape
d)
volume
13.
Dani adds 10 grams (g) of salt to a jar of water. She then adds 10 g of sand to a second jar of water. She covers and shakes both jars and sets them on the table for five minutes. The materials Dani uses are shown below.
What should Dani expect to observe after those five minutes?
What should Dani expect to observe after those five minutes?
a)
Both the salt and the sand dissolved in the water.
b)
Both the salt and the sand settled to the bottom of the jar
c)
The salt settled to the bottom of the jar, and the sand dissolved in the water.
d)
The salt dissolved in the water, and the sand settled to the bottom of the jar.
14.
Jason stretches a rubber band between his fingers, as shown below. When he plucks the rubber band, it makes a sound.
Which of the following best explains why the rubber band makes a sound when Jason plucks it?
Which of the following best explains why the rubber band makes a sound when Jason plucks it?
a)
It heats the air.
b)
It vibrates the air.
c)
It absorbs energy from the air
d)
It releases molecules into the air
15.
Frank uses a bowling ball to demonstrate how energy can cause changes. Which of the following actions would NOT demonstrate a change caused by Frank applying energy to the ball?
a)
He holds the bowling ball in both hands.
b)
He spins the bowling ball with one hand
c)
He rolls the bowling ball across the floor.
d)
He lifts the bowling ball to place it on a shelf.
16.
Electric circuits must be properly connected or electricity will not flow. Which of the following shows a properly connected circuit that would allow electricity to flow and light the bulb?
a)
a
b)
b
c)
c
d)
d
17.
Bar magnets have a north pole (N) and a south pole (S). Latrisha places a bar magnet on three small straws so it can roll. Her setup is shown below.
Placing which of the following objects at point X will cause the bar magnet to move away from point X ?
Placing which of the following objects at point X will cause the bar magnet to move away from point X ?
a)
an iron nail
b)
an aluminum can
c)
the north end of another bar magnet
d)
the south end of another bar magnet
18.
Stephanie started pushing a bookcase across the room, as shown in picture 1. Then, she removed the books and continued pushing with the same force and direction, as shown in picture 2.
How does removing the books affect the motion of the bookcase?
How does removing the books affect the motion of the bookcase?
a)
The mass is decreased, making the bookcase move faster.
b)
The gravity is increased, making the bookcase move slower.
c)
The friction is increased, making the bookcase move slower.
d)
The mechanical energy is decreased, making the bookcase move faster.
19.
The stem is an important part of many plants. Which of the following is most similar to the role performed by the stem of a plant?
a)
an anchor holding a boat in place
b)
a snack company producing energy bars
c)
a colorful sign attracting people into a store
d)
an elevator transporting supplies from one floor to another
20.
Organs in the human body carry out different functions. Which human organ breaks down food so that it can be used by the human body?
a)
bladder
b)
heart
c)
kidneys
d)
stomach
21.
Which of the following is present in the penta but NOT in the sword fern?
a)
root growth
b)
flower production
c)
ability to reproduce
d)
ability to make food
22.
The life cycle of both butterflies and grasshoppers starts at the same stage. The pictures below show the life cycle of both organisms.
Which of the following is the beginning stage of the life cycle for both the butterfly and the grasshopper?
Which of the following is the beginning stage of the life cycle for both the butterfly and the grasshopper?
a)
egg
b)
larva
c)
nymph
d)
pupa
23.
Loggerhead sea turtles are large turtles that live in the ocean and nest on the Florida coast. The female loggerhead sea turtle lays more than 100 eggs in the beach sand. How is laying so many eggs an important adaptation that helps these turtles to survive?
a)
Large nests of eggs help keep the eggs warm enough to allow more turtles to hatch.
b)
If many turtles hatch, they can help defend each other against predators in large numbers
c)
The more eggs that are laid, the greater the chance that more turtles will live to become adults
d)
A large number of eggs in one place makes it possible for the mother to lie on the eggs until they hatch.
24.
The Sun provides the energy to be used by the living things in the lagoon food chain shown below.
Which of the following describes the transfer of energy from a producer to a consumer?
Which of the following describes the transfer of energy from a producer to a consumer?
a)
from Perch to Kingfisher
b)
from Brine Shrimp to Perch
c)
from the Sun to Green Algae
d)
from Green Algae to Brine Shrimp
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