Matter
What is matter?
Particles that make up EVERYTHING in the universe.
When a solid changes state and turns into a liquid it is called...
melting
What has to happen for two magnets to REPEL each other?
A North and a North or a South and a South (like poles) must be near each other.
Why is a phone charger's cord covered in plastic?
Plastic is a POOR CONDUCTOR of electrical energy. The plastic is an insulator and prevents us from being hurt.
Gravel is made up of rocks, sand, clay, pebbles, and more. Is gravel a mixture or a solution?
Mixture
What kind of tool measures volume?
Graduated Cylinder
When a liquid changes state and turns into a gas it is called...
evaporation
An object/liquid that is more dense is going to...
Sink
What is a thermal energy conductor?
It lets thermal energy (heat) flow through it easily.
When making trail mix, I use pretzels, pecans, and Chex Mix. What happens to the pecans when I add them to the trail mix?
The pecans (and their physical properties) stay the same and maintain their color, texture, and taste.
Volume is measured using the unit.....
What is the gas called that forms the bubbles inside of a soda?
carbonation
The word buoyancy deals with what?
Sinking and floating (density)
What is an insulator of thermal energy?
It stops or slows down thermal energy (heat) from passing through.
What is the name of the metal screen/metal mesh tool that can be used to separate mixtures?
sieve/collinder/strainer
The tool used in the lab to heat objects up is called a...
Bunsen burner
Describe what PHYSICAL PROPERTIES means.
Physical properties are the characteristics of a piece of matter (color, length, mass, shape, state, weight, volume, density, etc.)
An object/liquid that is less dense will...
Float
How do we know that all metals are conductors of ELECTRICITY?
All metals will cause our light bulb to light up in the circuit.
Is a soda an example of a mixture or a solution?
What is volume?
The amount of space an object takes up.
When a gas changes state and turns into a liquid it is called...
condensation
What does the word DISSOLVE mean?
Dissolve means that something gets so small that it can no longer be seen, but it is still there!
List 4 conductors of ELECTRICITY!
aluminum, copper, steel, cobalt, nickel, humans, water, saltwater, etc.
A glass of lemon water has a mass of 110 grams. If I add 20 grams of sugar to the lemon water to make lemonade, what is the mass of the lemonade?
110g + 20g = 130g