What is the smallest unit of matter?
What is an atom?
Is melting ice a chemical or physical change?
What is a physical change?
What type of mixture has parts you can see?
What is a heterogeneous mixture?
Are mass and weight the same?
What is no—mass is the amount of matter, weight depends on gravity?
What is the density formula?
What is density = mass ÷ volume?
A group of atoms bonded together is called a...
What is a molecule?
What kind of property is flammability?
What is a chemical property?
What is the method called where we separate substances using boiling points?
What is distillation?
What tool do we use to measure mass?
What is a balance?
Give an example of a physical change.
What is cutting paper, melting butter, etc.?
A substance made of only one type of atom is a(n)...
What is an element?
Color, shape, and size are all examples of what kind of property?
What are physical properties?
Give an example of a homogeneous mixture.
What is salt water or air?
What’s the formula for volume of a rectangular object?
What is length × width × height?
What is the density of water?
What is 1 g/cm³?
How do we define a compound?
What is a substance made of two or more elements chemically bonded?
Which type of change forms a new substance?
What is a chemical change?
Can you separate a compound by physical means?
What is no?
If an object has a density greater than water, what will happen?
What is it will sink?
What does a molecule of water (H₂O) contain?
What is two hydrogen atoms and one oxygen atom?
How is a compound different from a mixture?
What is a compound has chemically combined elements, but a mixture can be separated physically?
Give an example of a chemical change.
What is rusting, burning, or baking a cake?
How could you separate a mixture of sand and salt?
What is dissolve the salt in water, filter the sand, and then evaporate the water?
How do you find the volume of an irregular object?
What is use water displacement?
Is air a mixture or compound?
What is a mixture?