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A baseball rolls down a ramp. What would slow the ball down?
A student is measuring the weight of his back pack . What is he actually measuring?
What's causing the heat when you rub your hands together.
The pulling of objects toward the center of Earth due to Earth's mass.
A pencil falls off of a desk. What moves the pencil toward the floor?
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?
What can cause a moving object to increase its speed in a forward direction?
What can cause a moving object to increase its speed in a forward direction?
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?
What is the name of the unit you use to measure force?
Which is an example of friction?
A ball is kicked and rolls along a level field until it comes to a stop. What is MOST responsible for the ball coming to a stop?
The speed and direction of an object's motion.
Forces that are not equal in size and direction.
A force that resists the movement of one surface past another surface.
How does friction affect the movement of objects?
What will happen if there's no friction around us?
Friction makes the object to ___________.
Friction is a force that opposes __________.
Friction can be seen everywhere. Which of the following statements is true about friction?
It will be difficult if there is no friction. Which of the following sentences best describes frictional force?
A child accidentally slides on a wet floor. What causes the child to slide on the floor?
Which may affect the motion of an object?
A force acts on an object in the opposite direction of another force of the same size. What will happen to the object?
An object falls through the air, but it still experiences friction. What type of friction does this object most likely experience?
If you rub your hands together, you may feel heat. Why is this true?
Which object would fall through the air at the greatest rate?
A push or pull that changes the motion of an object is called?
What type of graph can most closely show the distance an object has traveled in a given amount of time?
What occurs as two surfaces rub against each other or make contact with one another?
Motion can be measured by observing the _____________traveled in a certain amount of _________________.
The greater a force on an object, the greater the change in which of the following?
Which most accurately describes gravitational forces?
Why don’t skateboarders keep flying through the air when they launch off a ramp?
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?
If a car is moving backward along a road, can its speed be measured?
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?
Which device may be used to measure air pressure?
The jet stream is best described as which of the following?
Which device may be used to measure wind speed?
On a summer day, multiple thin, feathery cirrus clouds can be seen in the sky. How would this observation help to predict the future weather?
Low layered clouds that are often gray in color are most likley which cloud type?
A scientist who studies and predicts weather patterns is called a
