Science & Social Studies
Force and Motion
Grade 4 · Elementary
Answer every question first, then press Finish to see your score and explanations.
- Question 1 of 20Easy
The force that appears when we stretch a rubber band is ...
- Question 2 of 20Easy
A fruit falling from a tree is affected by ...
- Question 3 of 20Easy
The rougher a surface is, the friction it produces becomes ...
- Question 4 of 20Medium
Which event shows that force can change the direction of motion?
- Question 5 of 20Medium
The instrument used to measure the size of a force is ...
- Question 6 of 20Easy
When we kick a ball, the force we use comes from ...
- Question 7 of 20Easy
A small nail can be pulled by a magnet. The force acting on the nail is ...
- Question 8 of 20Easy
Football shoes have studs on the sole so that ...
- Question 9 of 20Medium
An object sliding on a slippery floor stops more ... than on a rough floor.
- Question 10 of 20Medium
The force that opposes the direction of motion and slows an object down is ...
- Question 11 of 20Medium
Which activity shows that force can change the shape of an object?
- Question 12 of 20Medium
In a balanced tug-of-war, both teams apply forces that are ...
- Question 13 of 20Medium
Two children push a table in the same direction. The total (resultant) force of the two children is ...
- Question 14 of 20Medium
A ball thrown upward eventually falls back to the ground because of ...
- Question 15 of 20Hard
A ball rolling on grass stops faster than on a tiled floor. This is because ...
- Question 16 of 20Hard
The greater the force with which we stretch a spring, the ... the spring becomes.
- Question 17 of 20Hard
A marble placed on a slightly tilted table rolls down. The cause is ...
- Question 18 of 20Hard
The force needed to move an object up an inclined plane is smaller because ...
- Question 19 of 20Hard
Consider these events: (1) catching a ball, (2) kicking a still ball, (3) crushing a can. The changes caused by force are ...
- Question 20 of 20Hard
Andi pushes a cupboard, but it does not move. The correct conclusion is ...