Matter
It wood solid, liquid, or gas?
Wood is solid.
Name two properties of iron
Hard, strong, solid
What material do we use to make furniture and paper?
Wood
Is gravity a contact or non-contact force?
It is a non-contact force
What is it called when a material only allows SOME light to pass through it?
Translucent
What is mass?
Mass is the amount of matter in an object.
Which object is flexible?
Leather, metal, or a diamond?
Where does cotton come from?
It comes from plants
Gravity is a force that _____ objects with mass towards each other
Pulls
What is a homogenous mixture?
A mixture where you cannot see the individual substances. For example: salt water
What is volume?
Volume is the amount of space an object occupies.
What is the opposite of “weak”?
Strong
Is plastic a natural or man-made material?
It is a man-made material.
What kind of energy is found in storm clouds and lightning?
Electrical energy
How do we measure mass?
We measure mass in grams and kilograms.
Name the three states of matter
Solid, liquid, and gas
What does “opaque” mean?
Light does not pass through
Why do we use cotton to make clothes?
We use cotton for clothes because it is soft and flexible
Name two types of energy that the sun produces.
Thermal and luminous.
Give one example of refraction
For example: When we shine a laser into water..
Do gases have a fixed shape or volume?
No, they don’t
What kind of material returns to its original shape after stretching?
Elastic
In magnetism, opposite poles attract each other, but like poles ______ each other
Repel
What kind of transformation occurs when we switch on a light?
Energy in transformed from electrical to luminous.
How many colors is light separated into?
It is separated into seven colors.