When people race, the person with the greatest___________wins.
What is velocity?
100
Sometimes people use _______as a lever to open paint cans and other cans that are stuck to make the cans easier to open.
What is screwdrivers?
100
If you use the same force to push a large container filled with sand and a small container filled with sand __________________________________________.
What is the smaller container will be easier to push and will move farther and faster?
100
When a pitcher throws a ball to a batter and the batter hits the ball with greater force than the pitcher threw the ball then the ball moves ________________.
What is in a new direction at a faster speed?
100
When an object is traveling in a circle at a constant speed this means that __________________are acting on the object.
What is balanced forces?
200
When things fall to the floor they are pulled down by _______________.
What is gravity?
200
Simple machines make work easier because they __________________________.
What is decrease the force needed to move objects?
200
Larger, heavier objects require more ____to move than smaller objects do.
What is force?
200
A screw is a simple machine that _______________.
What is changes a weak circular force to a strong downward force?
200
The reason why a ball lands back on the ground when you kick it into the air is because of _______.
What is a gravity?
300
The heavier the object the greater _____it takes to lift the object.
What is force?
300
When children ride their bikes they can increase the force of their bikes by pedaling them faster and then the velocity of the bike will _______.
What is increase?
300
The reason construction workers add wheels under a box to help it move is to _____________________.
What is reduce the force of friction on the box?
300
The more mass an object has the stronger the gravitational force. For example, Jupiter has greater gravitational force than Earth. If for some reason Earth's mass increased then _________________.
What is Earth's gravitational force would become stronger?
300
A knife cutting into a banana is an example of a _____.
What is wedge?
400
The most reliable way to find out about scientists from long ago who are responsible for ideas about motion, speed, and force is____________________________.
What is reference books or computer searches?
400
If a car travels 150 miles in 2 hours that means that the car was traveling 75 miles per hour because 2 will go into 150- 75 times. In other words, you divide _____ by _____to find speed (D/T=S).
What is distance and time?
400
A few examples of gravity are when rivers flow downhill, the ______________, and a basketball falls through a hoop. Gravity is NOT when a ball switches directions when it is hit by a bat.
What is the moon orbits the Earth?
400
A see saw is a ______________.
What is lever?
400
A ______lifts things.
What is lever?
500
A_______is a v-shaped simple machine made up of two inclined planes.
What is a wedge?
500
In order to write an accurate report on an investigation, you should _________________________________________.
What is write down your observations as you carry them out and then use your data to write the report?
500
An inclined plane makes it easier to move an object by changing _____________________________.
What is the distance over which the object moves?
500
A nail is easier hammer into a piece of wood because on the tip of the nail there is a simple machine called a _____.
What is wedge?
500
When an object travels in a straight line at a constant speed this means that _______________________are acting on the object.