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Science
Newton's Toy Box
| Question | Answer |
|---|---|
| Acceleration | The rate at which an object's velocity changes. |
| Force | A push or pull that acts on an object, causing it to move, change speed or direction, or stop. |
| Velocity | Rate at which an object moves in a certain direction. |
| Inertia | Tendency of a still or moving object to stay at rest or to continue moving in the same direction at the same speed. |
| Mass | Amount of matter in an object. |
| Gravity | Force that pulls objects toward the center of the earth. |
| Weight | Measure of the force of gravity acting on an object. |
| A person drops a bowling ball and a baseball from the top of the play structure. Which ball will hit the ground first? | They hit the ground at the same time. |
| Is gravity a contact or non-contact force? | Non-contact force |
| If you push a steel ball (25g) and a wooden ball (2.5g) with the same force, which ball will accelerate faster? | The wooden ball. It has less mass. |
| What is the main force that stops a ball rolling across carpet? | Friction |
| Which law explains that it will take a lot more force to move an elephant than it will to move a squirrel? | Newton's second law of motion |
| Kinetic energy | Energy that an object has as a result of its motion. |
| Potential energy | Energy that is stored. |
| Momentum | Property of matter due to its mass and velocity. |
| Friction | Force that opposes motion or resistance caused when two surfaces touch or rub together. |
| Distance | How far an object is from one point to another. |
| Energy | Ability to do work or cause change. |
| Speed | Rate at which the position of an object changes. |
| Action-reaction forces are equal in strength and _____ in direction. | Opposite |
| As a car rolls down a ramp, it loses potential energy and gains _____ energy. | Kinectic |
| True or false? When a car rolls down a hill its speed increases. | True |
| In a spring jumper, what provides the action force? | Spring |
| In a spring jumper, what provides the reaction force? | Table |
| Air resistance | The force exerted by air against an object moving through it and acts in the opposite direction of the object's motion |
| Parabola | The downward curve that is created by gravity when an object is thrown horizontally |
| All objects appear to 'float' in orbit because of _____. | Free fall |
| Microgravity | A term used to describe the almost weightless condition in space. |
| A flat piece of paper and a crumpled piece of the same paper are dropped from a height of 4 feet. Which one will fall faster? | Crumpled sheet of paper |
| Why would a crumpled sheet of paper fall faster than a flat sheet of paper if both pieces of paper are the same size? | The crumpled sheet of paper has less surface area. Therefore, the crumpled sheet has less drag/air resistance. |
Created by:
ianadoyle
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