This is a type of variable that is chosen and controlled by the experimenter.
What is the independent variable?
100
This is the definition of matter.
What is anything that has mass and volume?
100
This state of matter moves very slowly, especially at cold temperatures.
What is a solid?
100
This is a substance that is made of only one type of particle.
What is a pure substance?
100
This is a word that describes.
What is a property?
200
This is a group in the experiment that does not receive the treatment or independent variable.
What is the control group?
200
What is a word that means to take up space?
What is volume?
200
This state of matter moves very quickly and freely, especially at high temperatures.
What is a gas?
200
This type of pure substance is made up of one type of particle, the atom.
What is an element?
200
What makes chemical changes and physical changes different.
What is a change in identity?
300
Sue wants to test the effect that fertilizer has on plant growth. This is the dependent variable of her experiment.
What is the height of the plant.
300
This is why mass and weight are different from each other.
What is mass is the amount of stuff inside and weight depends on gravity?
300
This change of state requires energy to be added and involves solid turning into a liquid.
What is melting?
300
This type of pure substance is made up of elements that are chemically combined.
What is a compound?
300
When ice melts in your hand, it undergoes this type of change.
What is physical?
400
Amy wants to test the effects of nicotine on monkeys. This is the independent variable of her experiment.
What is the nicotine?
400
This is the formula for density.
What is mass divided by volume?
400
This change of state requires energy to be added and involves a solid turning directly into a gas.
What is sublimation?
400
This is not a pure substance because it is made of many different particles that are in the same area.
What is a mixture?
400
When a forest catches on fire, it goes through this type of change.
What is chemical?
500
A team of doctors thinks that they have found a cure for the common cold. They decide to do a medical trial. This means that they need a treatment group and a control group. This is what the control group will receive.
What is no medicine?
500
The density of a lead fishing weight with a mass of 16 grams and a volume of 4 cubic centimeters.
What is 4g/cm3?
500
This change of state requires energy to be removed and involves a gas turning into a liquid.
What is condensation?
500
This is the only way to separate a compound.
What is chemically?
500
This is a chemical property that means the ability to rust.