Grade 3 Alberta Science Energy Vocabulary

The push or pull on an object that occurs when it interacts with something else.

• Gravity
• Energy
• Force
• Work

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A rule that states that an object will stay still or keep moving at the same speed and in the same direction unless a force acts on it.

• Newton’s First Law
• Law of Conservation
• Newton’s Second Law
• Law of Motion

Forces that happen when objects touch each other directly.

• Elastic Forces
• Contact Forces
• Magnetic Forces
• Non-contact Forces

A force exerted by a person or another object onto an object.

• Friction
• Tension
• Magnetism
• Applied Force

Tags

NGSS.HS-PS2-1

A force that resists the sliding motion between two surfaces that are touching.

• Magnetism
• Friction
• Inertia
• Gravity

A pulling force that is applied when a string, rope, or cable is stretched.

• Compression
• Inertia
• Expansion
• Tension

A force exerted by an object that is compressed or stretched, like a spring.

• Tension
• Friction
• Elastic Force
• Compression

Devices that make it easier to perform tasks by changing the strength or direction of forces, such as levers and wheels.

• Compound Machines
• Simple Machines
• Complex Machines
• Mechanical Advantage

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A simple machine that can be used to lift or move objects by applying a force at one end.

• Lever
• Gear
• Pulley
• Fulcrum

Tags

NGSS.MS-PS2-2

A circular component that rotates on an axle and is used to carry loads or reduce friction.

• Spindle
• Roller
• Axle
• Wheel

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2