Mass
What do we call the amount of matter in an object?
Mass
What is a material that is attracted to magnets?
Iron
What are the three states of matter?
Solid, liquid, gas
What does it mean if an object sinks in water?
It has a greater density than water.
What does it mean when a substance is soluble in water?
It can dissolve in water.
What is a conductor?
A material that allows electricity to pass through.
Does a heavier object always have more mass than a lighter one?
No
Can you name a common item that is magnetic?
Refrigerator magnet
In which state of matter do molecules move the least?
Solid
If an object floats, what can you say about its density compared to water?
It is less dense than water.
Can you name a substance that is not soluble in water?
Sand
Can you name a common conductor of electricity?
Copper
How can you measure the mass of an object?
Using a balance scale
What do we call materials that do not get attracted to magnets?
Non-magnetic materials
What state of matter takes the shape of its container?
Liquid
Can you give an example of something that sinks in water?
A rock
What happens when you add sugar to water?
It dissolves.
What is an insulator?
A material that does not allow electricity to pass through.
If an object has a mass of 50 grams and another has 100 grams, which is heavier?
The one with 100 grams
How can you test if an object is magnetic?
By using a magnet
How do you know if a substance is a solid?
It has a definite shape and volume.
What happens to ice when it is placed in water?
It floats.
How can you tell if something is soluble?
If it disappears, it is soluble.
Why is rubber often used as an insulator?
It prevents electricity from flowing.
What unit do we often use to measure mass in science?
Grams or kilograms
What happens when two magnets are placed close together with opposite poles facing each other?
They attract each other.
Which state of matter has a definite volume but no definite shape?
Liquid
How can you find out if an object will sink or float?
By comparing its density to water.
What is the term for a solution that has reached its maximum solubility?
Saturated solution
How can you test if a material conducts heat?
By using a heat source.