What is one property of matter that helps you tell milk and water apart?
Water
Is trail mix a mixture or solution?
Mixture
Heating it
True or false: A change in shape is a physical change.
True
What is the smallest part of an element?
An atom
What is texture?
The way something feels.
Is lemonade a mixture or solution?
Solution
Is burning a physical or chemical change?
Chemical
True or false: A change in temperature is a physical change.
True.
What is the smallest part of a compound?
A molecule.
What does the temperature of an object measure?
How fast the particles are moving.
No! Mixtures can.
Is rusting of nails a physical or chemical change?
When you drop a phone and the glass breaks, is it a physical or chemical change?
Physical change
What are the three states of matter?
Liquid, gas, and solid
What are the particles of a gas doing?
Moving around quickly to spread out evenly and fill all available space.
Is salad a mixture or solution?
What happens when you expose pennies to vinegar?
The pennies become green from a substance called copper oxide.
Physical.
What is a molecule?
The smallest part of a compound.
Name all the properties of matter...
Temperature, mass, volume, color, texture and hardness.
Is coffee a mixture or solution?
What happens when you mix lemon juice and milk?
The acid from the lemon curdles the milk and creates cheese.
When a liquid becomes a solid, what is this change called?
Freezing
What makes up matter?
Small particles of different elements.