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WorksheetsTest 3
Total questions: 50
Worksheet time: 33mins
A dolphin swim 30 kilometers. If you need to find speed of a dolphin which other information do you need?
Dolphin's starting position
Dolphin mass while swimming
Direction that dolphin swims
The amount of time the dolphin swims
You will kick four soccer ball with different masses. Which of the following require least amount of force to get in to goally?
Ball with a mass of 700 g
Ball with a mass of 530 g
Ball with a mass of 390 g
Ball with a mass of 180 g
Tyanna and Tamiyah both leave the gym for their homeroom at 8:28 am. Tamiyah walks at speed of 8 km/hr whereas Tyanna walks at speed of 7 km/hr. Which will most likely happen?
They will go through two different directions
Tyanna will arrive to homeroom before Tamiyah
Tamiyah will arrive to homeroom before Tyanna
They will arrive at the same time
A student forms a ball out of clay. Then, he pushes the ball and observes its motion along his desk. If he repeats the activity, what should he do to make the ball move faster?
Change the ball's starting position
Change the ball's shape
Make the ball heavier
Push the ball harder
A student roll a ball down a smooth wooden ramp and observes what happens. Then, he puts sandpaper on the ramp and rolls the ball again. What is the student most likely investigating?
The effect of a change in gravity on the ball's motion
The effect of a change in mass on the ball's motion
The effect of a change in friction on the ball's motion
The effect of a change in a ball's motion on the ramp
A pole is located north of a tree. If a boy walks from the pole to the tree, in which direction does the boy travel?
West
East
North
South
Four wheelbarrows with different masses are sitting in a yard. Which wheelbarrows would require the most force to make it start moving?
the wheelbarrow with a mass of 45 kg
the wheelbarrow with a mass of 35 kg
the wheelbarrow with a mass of 20 kg
the wheelbarrow with a mass of 15 kg
Which object will most likely move the farthest during 1 minute?
A train traveling with 16 meters per second
A racehorse running 15 meters per second
A bowling ball rolling 7 meters per second
A man swimming 2 meters per second
Which is the best example of gravity acting on an object?
A girl skating over ice begins speeding up
A boy on a stair ways starts climbing up two steps at a time
A toy car at the top of a ramp begins rolling down
A boy on a skateboard glides by on level sidewalk
An object is rolling along the ground. How would decreasing friction most likely affect the motion of the object?
It would reduce the object's speed
It would reverse the object's direction
It would increase the object's speed
It would have no effect on the object's motion
It takes less force to lift Liz's model of the solar system from the floor to the table than it takes to lift Maria's model the same distance. Which is the best explanation for this difference?
Maria's model moves a greater distance than Liz's model
Maria's model has a greater mass than Liz's model
Liz's model has a greater mass than Maria's model
Liz's model is taller than Maria's model
A student is observing the motion of an ant. Which pair of tools should the student use to find the ant's speed?
Scale and meterstick
Clock and meterstick
Clock and scale
Meterstick and graduated cylinder
A batter hits a softball with a certain force. The next batter hits the softball with a greater force. Which describes what most likely happens?
The ball moves faster and farther when the first batter hits it
The ball moves faster and farther when the second batter hits it
The ball moves slower but farther when the first better hits it
The ball moves faster but not as far when the second batter hits it
Students use a spring scale when comparing properties f a mixture and its parts. Which property is most likely being compared?
Mass
Weight
Temperature
Shape
If a horse runs 120 meters in 10 seconds, what is the speed of the horse?
10 meters per second
12 meters per second
120 meters per second
1200 meters per second
A scientist is summarizing data from an investigation on dolphins. Which is the best way for her to use a line graph?
to show changes in the distance a dolphin travels over time
to present a food web in which dolphins are a part
to compare different members of a dolphin population
to describe the ocean ecosystem in which dolphins live
During which time period did the bird move the fastest?
period 1
Period 2
Period 3
Period 4
Raan lets go of his backpack, and it falls toward the ground. Which is the best explanation for why the backpack moves toward the ground?
Friction pulls on the backpack
Gravity pulls on the backpack
The girls exerts a force on the backpack
The backpack's mass increases
Four solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to stop its motion?
ball with a mass of 5 kg
ball with a mass of 10 kg
ball with a mass of 15 kg
ball with a mass of 20 kg
A girl walked for 30 minutes. She noticed that she traveled farther in the first 15 minutes of her walk than in 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.
What can cause a moving object to increase its speed in a forward direction?
a force pushing on the object from the opposite direction
a force that continually acts on the object in the direction the object is moving
an increase in the mass of the object
a decrease in the mass of the object
Which best describes the speed of a ball as it is thrown straight up into the air and comes back down?
The ball goes up at a constant speed, stops, then comes down at a constant speed.
The ball goes up at a constant speed, stops, and increases speed as it comes down.
The ball goes slower and slower as it goes up, stops, and then goes faster and faster as it comes down.
The ball goes slower and slower as it goes up, stops, and then comes down at a constant speed.
A student uses a rubber band to launch the four objects shown in the table. If the student pulls the rubber band back the same amount each time, which object will most likely move the fastest when launched?
paper clip (0.5 gram)
piece of paper (1.0 gram)
eraser (2 gram)
rubber ball (10 gram)
A pencil falls off of a desk. What moves the pencil toward the floor?
Mass
Friction
Gravity
Speed
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
As distance between two objects increase the pull of gravity
Increases
Decreases
Stays the same
No Change
How is gravity affected by mass?
the larger the mass of the object, the greater the gravity
small objects have no gravity
gravity is not affected by mass of objects, whether large or small
the more the mass of the object, the less the gravity
An object at rest will stay at rest unless...
acted upon by energy
acted upon by an outside force
acted upon by waves
acted upon by light
Another way to think about the term force:
push and pull
up and down
give and take
po-ta-to and pa-ta-to
On which surface will a toy car travel the furthest?
Carpet
Polished Wood
Ice
Sand paper
When all the forces on an object are equal and opposite, & the net force is zero, that's...
balanced forces
unbalanced forces
terminal velocity
reaction forces
To increase the acceleration of an object, you can ______ the mass of the object.
increase
decrease
multiply
double
