Matter
What are the 3 states of matter?
Solid, Liquid, Gas
Light
Name two surfaces that reflect images and two surfaces that do not reflect images.
Answers may vary
What is a force?
A push or a pull
What is mass?
the amount of matter in an object
The physical change from a liquid to a gas?
What are the four types of energy?
Mechanical, Sounds, Light, Thermal
What is reflection?
The bouncing back of light when it strikes an object
A person kicks a ball with the front of their foot. Which direction will the ball go in?
Forward
What is density?
amount of mass per unit volume
condensation
What are the two parts that make up mechanical energy?
Potential and Kinetic
What is refraction?
Name two types of forces.
gravity and friction
A complete circuit is a path in which an electrical current can flow out from the batter. An incomplete circuit has an opening, or break, somewhere along the path.
What is the difference between a mixture and a solution?
A mixture is two or more substances that can be separated. A solution is a mixture in which one of more substances are dissolved in another.
the change of energy from one form to another
energy transformation
Which of the following best demonstrates only the reflection of light?
A. a rainbow
B. An image of a tree on a lake
C. a person using binoculars
D. A leaf under a microscope
A. An image of a tree on a lake
a condition that can be changed in an experiment
variable
A curved piece of transparent material that refracts light is called a _________.
lens
Describe/draw what the particles look like in a solid, liquid, and gas.
Accept accurate picture
A group of friends on a camping trip light a campfire in the evening. After dark, they sit around the campfire. What types of energy provided by the campfire are the campers using?
Thermal and Light
Why do we see color?
an objects color is the result of which wave lengths of visible light it absorbs.
All forces have two properties. What are they?
Give 1 example of how each form of energy is used daily.
answers may vary