Science Vocabulary Unit 2

Unit 2 - 1

100

• a closed conducting circle or loop through which current can flow

Circuit

100

• energy related to the temperature of an object or a substance

Thermal Energy

100

the ability to do work

Energy

100

the bouncing back of light rays from a surface

Reflection

100

matter that light travels through

Medium

Unit 2 - 2

100

– a form of energy which our eyes can detect

Light Energy

100

What color was George Washington's white horse?

White

100

• the path through which an electric current cannot flow

Open (incomplete or broken) circuit

100

the flow of electricity through a conductor

Electric Current

100

energy produced by vibrations

Sound Energy

Unit 2 - 3

100

• the bending of light as it moves through one medium into another

Refraction

100

What can jump higher than a building?

Anything that jumps, building can't jump.

100

the path through which an electric current can flow

Closed (complete or working) circuit

100

• energy that is absorbed or delivered by an electric circuit

Electrical Energy

100

energy of motion

Mechanical Energy

Unit 1 - 1

100

• the process of forming a mixture of a substance broken down into small pieces and spread evenly throughout a liquid (water)

Dissolving

100

An elephant in Africa is called Lala.  An elephant is Asia is called Lulu.  What do you call an elephant in Antartica?

LOST!

100

• a type of mixture in which the particles of one or more substances are dissolved (uniformly dispersed throughout) in another substance

Solution

100

anything that has mass and takes up space

Matter

100

a substance or object that does not allow energy to flow through it easily

Insulator

Unit 1 - 2

100

the forms matter can take, such as solid, liquid, and gas; sometimes called phases of matter

States of Matter

100

properties of matter that can be observed, measured, or changed without changing the matter itself

Physical Properties

100

a substance or object that allows energy to flow through it easily

Conductor

100

Imagine you are in a room with no windows or doors.  How will you get out?

STOP imagining.

100

the amount of matter in something

Mass