This particle inside the nucleus contains a positive charge.
What is a proton
100
What are the three states of matter?
Solid, Liquid, Gas
100
When materials allow heat to flow easily through them.
What is insulate
100
This particle in an atom has a negative charge.
What is an electron
200
This is a measure of the amount of matter in an object
What is weight
200
This is the basic building block of matter
What is an element
200
This is the temperature at which a liquid changes state into a solid
What is the freezing point
200
When placed in liquid, what would happen to an object if its density is less than the liquids density
It will float
200
What particle in an atom has no charge?
What is a neutron
300
This is a measure of the force of gravity between Earth and an object.
What is mass
300
What is the chemical formula of water?
What is H2O
300
How is evaporation different from boiling?
Gradual change of liquid into gas vs rapid change
300
What would happen to an objects weight if it were on the moon compared to earth?
The object would weigh less on the moon.
300
Milliliters are used to measure?
What is volume
400
What is buoyancy?
An object's ability to float
400
What is a compound?
Two or more elements combined
400
What are some properties of a liquid?
Take shape of container. Have definite volume. Settle bottom of container.
400
Matter is the least dense in which state?
What is gaseous
400
What are three properties you can use to classify matter?
Density, magnetism, volume, mass, weight, abilty to conduct or insulate, melting point
500
Why does a balloon have more volume than a golf ball?
Because it fills up a greater amount of space
500
Describe the structure of an atom
Nucleus at the center with protons and neutrons inside the nucleus. Electrons are located outside of the nucleus.
500
What is the definition of boiling point?
The temperature at which a solid changes state into a liquid.
500
What material would be the best conductor of energy?
Metals
500
How can a thermos keep hot liquids hot and cold liquids cold?
It is made of a material which creates a void or insulates against the passage of energy. So cold liquids would be insulated from the warm air outside the thermos. Same concept for hot liquids.