WorksheetsG3 ISTEP Science Review
Total questions: 43
Worksheet time: 22mins
Name
Class
Date
1.
After walking across a carpet, a boy feels a spark between his hand and a doorknob. If the boy’s hand is negatively charged just before he touches the doorknob, what conclusion can you draw about the particles that moved from the carpet to his hand?
a)
The particles that moved from the carpet were atoms.
b)
The particles that moved from the carpet were electrons.
c)
The particles that moved from the carpet were neutrons.
d)
The particles that moved from the carpet were protons.
2.
When you pluck a rubber band, it makes a sound. What can you do to make the sound softer?
a)
stop the band when it moves
b)
stretch the band less to the side before letting it go
c)
stretch the band
d)
loosen the band
3.
The picture below shows how far Isabella pulled two rubber bands. How would the sound from Number 2 compare with the sound from Number 1?
a)
higher
b)
louder
c)
lower
d)
softer
4.
Which statement correctly describes a property of the sound made by plucking a stretched rubber band?
a)
The pitch gets lower when the rubber band is plucked harder.
b)
The pitch gets higher when plucking a rubber band that is thinner.
c)
The volume gets softer when the rubber band is plucked harder.
d)
The volume gets louder when plucking a rubber band that is stretched tighter.
5.
Matthew and Abigail are investigating the sound made by rubber bands. They listen to each sound. Then they carefully write what they heard. Which of the following gives the BEST reason for writing what they heard?
a)
They want to plan a good investigation.
b)
Their good observations are their conclusions.
c)
They want to have good records of their observations.
d)
They want to ask the right scientific questions about sound.
6.
Max went scuba diving with his family. He heard the sound of dolphins, birds, and the boat motor as he swam underwater. What property of sound enabled Max to hear noises underwater?
a)
Sound has pitch.
b)
Sound has volume.
c)
Sound travels through liquids.
d)
Sound travels through solids.
7.
In his model, Amado is using a tennis ball as the light source. He is using string to represent light. How should he use the string to model the way that light travels?
a)
tape the string so that it forms a tiny zigzag
b)
form the string into an arc to show how light bends
c)
pull the string tight so that it forms straight lines
d)
wind the string around a pencil so that it forms a spiral
8.
Which of the following statements best supports the fact that sound is a form of energy?
a)
Sounds can change.
b)
Sounds are fluid.
c)
Sounds are part of the air.
d)
Sounds can make windows rattle and move.
9.
What must happen for an object to produce a sound?
a)
The object must glow.
b)
The object must vibrate.
c)
The object must be warmed.
d)
The object must transform electrical energy.
10.
A student tapped her pencil against a desk. What could she do to make a louder sound with the pencil?
a)
She could wave the pencil.
b)
She could tap the pencil in her hand.
c)
She could tap the pencil against the desk with more force.
d)
She could tap the pencil against the desk more gently.
11.
Pitch is how high or low a sound is. It is related to the speed at which something beats or vibrates. The table below shows the rate at which different insects beat their wings. Which insect produces the sound that has the highest pitch?
a)
cabbageworm butterfly
b)
honeybee
c)
ladybug
d)
mosquito
12.
Which insect produces the sound that has the lowest pitch?
a)
cabbageworm butterfly
b)
honeybee
c)
mosquito
d)
ladybug
13.
Jessica polished a table until it was smooth and shiny. After polishing the table, Jessica was able to see herself in it. Which of the following sentences is the best explanation of the polished table?
a)
It reflected light.
b)
It refracted light.
c)
It absorbed light.
d)
It produced light.
14.
Yoko was studying light. She placed a flashlight on a table to make the light shine on a wall. She then placed a piece of cardboard in front of the flashlight. The light could no longer be seen on the wall. What most likely happened to the light when it reached the cardboard?
a)
It was destroyed by the cardboard.
b)
It was absorbed into the cardboard.
c)
It was refracted outward in all directions.
d)
It was reflected onto the wall.
15.
Jorge was camping near a lake. There was a row of trees along the edge of the lake. During the day, Jorge could see images of the trees on the surface of the lake. Which of the following terms best describes what Jorge observed?
a)
absorption
b)
reflection
c)
refraction
d)
transmission
16.
Which of the following statements best describes light?
a)
Light is a type of force.
b)
Light is a form of matter.
c)
Light is a form of energy.
d)
Light is a form of electricity.
17.
Weathering is a process that involves the breaking apart of rocks into smaller pieces. Which of the following is formed by weathering caused by water?
a)
delta
b)
sea arch
c)
moraine
d)
sand dune
18.
Emma places water, pieces of chalk, sand, and some pebbles and rocks into a jar. She puts the cap on the jar and shakes the jar for one minute each for 20 trials. What will Emma MOST LIKELY observe about the pieces of chalk, sand, and pebbles in the jar?
a)
The rocks will form fine silt and sand.
b)
The chalk will break apart from being "weathered" by the rocks.
c)
The rocks and pebbles will form sharp, jagged edges.
d)
There will be no change to any of the chalk, sand, pebbles, or rocks.
19.
Sadie builds a bridge of sticks and places it on top of two blocks of wood. She moves the blocks. The bridge collapses. What natural event does Sadie's model show?
a)
the shifting of rocks along a fault
b)
loose rocks sliding during a landslide
c)
the movement of a glacier over land
d)
magma forcing its way to Earth's surface
20.
Marcy thinks that all of the minerals in her collection are quartz. What properties can BEST help her identify the minerals as quartz?
a)
hardness, crystal shape, and streak
b)
color, hardness, and texture
c)
luster, crystal shape, and size
d)
hardness, shape, and color
21.
a)
It carried its tail.
b)
It ate only plants.
c)
It cared for its young.
d)
It walked on two feet.
22.
Rana makes a list of four details about the mineral halite. Which detail describes the cleavage of halite?
a)
It feels grainy and slightly rough.
b)
It looks glassy and has some shine.
c)
It can be clear, yellow, blue, or pink.
d)
It breaks at right angles to form cubes.
23.
The hardness of a steel nail is about 5.5, a certain mineral scratches a steel nail but does not scratch quartz. What is the name of the mineral?
a)
fluorite
b)
apatite
c)
feldspar
d)
quartz
24.
The table below will help you determine the differences between pyrite and gold. Which test would determine if a mineral sample is pyrite or gold?
a)
rub each mineral across a streak plate
b)
scratch each of the samples with quartz
c)
measure the mass of both mineral samples
d)
compare the colors of both mineral samples
25.
A student holds an ice cube in her hand. After some time passes, the ice cube begins to melt. Which word describes the process of heat transfer?
a)
conduction
b)
convection
c)
insulation
d)
radiation
26.
What is the main difference between an electric current and static electricity?
a)
Electrons in an electric current move by electrostatic discharge.
b)
Static electricity occurs in at least two objects. An electric current occurs in only one.
c)
Electric charges flow in an electric current but not in static electricity.
d)
Negative charges form static electricity. An electric current involves positive charges.
27.
Gary built an electrical circuit. When he finished building the circuit he closed the switch. His circuit is shown below. What happened when Gary closed the switch?
a)
The light came on, and the buzzer made a sound at the same time.
b)
The light and buzzer stayed off because there was no source of electric current in the circuit.
c)
The light and buzzer stayed off because the light and buzzer have to be in different circuits.
d)
The light and buzzer stayed off because the circuit needs two switches for two different elements.
28.
Liam wants to determine if foam is a good insulator of heat. He pours hot water into a foam cup, and then measures the temperature of the water every few minutes for 20 minutes. Which observation would BEST support the conclusion that foam is a good insulator?
a)
The temperature of the water quickly decreases.
b)
The temperature of the water stays about the same.
c)
The temperature of the water quickly increases.
d)
The temperature of the water is the same as the temperature of the cup.
29.
Three people are traveling in their cars heading toward the supermarket. All three cars left at the same time and travel at constant speeds. The velocity and distance of each car are indicated in the following diagram. Which car will reach the supermarket first?
a)
Car A will reach the supermarket first.
b)
Car B will reach the supermarket first.
c)
Car C will reach the supermarket first.
d)
All the cars will reach the supermarket at the same time.
30.
Whitney walks from her house to school, a distance of 1 mi. It takes her 14 min. How long will it take Whitney to walk home from school if, on her way, she walks at a rate of 1 mi/7 min?
a)
7 minutes
b)
21 minutes
c)
14 minutes
d)
28 minutes
31.
A bobsled glides across the ice and gradually begins to slow down. Which force acts opposite to the bobsled's motion?
a)
friction
b)
lift
c)
gravity
d)
weight
32.
A bus driving on a road in winter drives onto an icy spot and starts to slide. A decrease in which of the following forces caused the bus to slide?
a)
buoyancy
b)
friction
c)
gravity
d)
thrust
33.
here would an animal with large ears and thin fur MOST likely live?
a)
in a polar region
b)
in a stream
c)
underground
d)
in the desert
34.
Which adaptations does the animal in the picture have for living in the desert?
a)
fangs
b)
the ability to shake its tail
c)
scaly skin
d)
the ability to slither on the ground
35.
Mike wanted to know what frogs eat. He investigated how frogs respond to different insect. His results are shown in the picture. Which statement best describes Mike's conclusion?
a)
Frogs do not like to eat bees.
b)
Frogs eat bees whenever they can.
c)
Frogs will not try to catch bees.
d)
Frogs like worms better than bees.
36.
How does an isopod's response to light help the isopod meet its need in its environment?
a)
Avoiding light allows the isopod to find food easily.
b)
Avoiding light means that isopods cannot easily see their environment.
c)
Avoiding light allows birds to find isopods easily.
d)
Avoiding light helps keep isopods hidden from animals that might eat them.
37.
Which kind of activity affects migrating birds' ability to find their way?
a)
stream pollution
b)
noise pollution
c)
light pollution
d)
clear-cutting
38.
What is the frog on the left side of the picture responding to?
a)
the taste of the bee
b)
the sight of the bee
c)
the sound of the bee
d)
the temperature of the bee
39.
Food is made in the leaves of the plant. Where does the food from the leaves go next?
a)
flower
b)
roots
c)
seeds
d)
stem
40.
Look at the picture of the plant below. What is a function of the part of the plant labeled "X"?
a)
makes food for the plant
b)
holds the plant in the ground
c)
helps the plant reproduce
d)
transports water directly to the leaves
41.
Jonas planted three bean seeds. He measured the height of each plant three different times. The table below shows his measurements. What is the BEST way for Jonas to show his measurements to make them easy to see?
a)
make a bar graph
b)
make a circle graph
c)
draw each plant at each height
d)
draw one plant with a ruler beside it
42.
You are pushing a heavy box. It is too heavy and is not moving. According to scientists, which of the following statements is TRUE?
a)
You are not doing any work.
b)
You are using a force and doing work.
c)
You are not using any force.
d)
You are doing work but not using enough force.
43.
Some seeds will germinate and begin to grow in soil that is 18 °C. The table below shows soil temperatures for this week. What day do you predict is the earliest the seeds will germinate?
a)
the next day
b)
the end of next week
c)
the end of two weeks
d)
the end of the month
100 %
