Matter
What is matter?
Anything that has mass and takes up space.
What unit measures length?
Meter (m)measures length.
Is melting ice physical or chemical?
Melting ice is a physical change
What state has a definite shape and volume?
Solid
What is the formula for density?
Mass divided by Volume
What is the measure of the amount of matter in an object
Mass
How many centimeters are in 1 meter?
100 centimeters = 1 meter.
Is burning wood physical or chemical?
chemical
What state has a definite volume but no definite shape?
Liquid
What is the Giants Record
(3-1-1)
Weight is...
The measure of gravitational force in a object
What unit is best for measuring the mass of an apple?
Grams (g) measure the mass of an apple.
What are two signs that a chemical change occurred?
Signs include color change, gas production, temperature change, or a new substance forming.
What state has no definite shape or volume?
Gas
What is the particle movement of a liquid
Flowing and moving another
The tendency of all objects to resist any change in motion
Inertia
Convert 2.5km to meters.
2.5 km =2,500 m.
Is dissolving sugar inwater usually a physical orchemical change? Explain.
Dissolving sugar in water is usually physical because no new substance forms.
What happens to particles when a solid melts?
Particles gain energy and move more freely as a solid melts.
What are the key's Charles's Law
Volume Up-Temperature Up
Volume Down-Temperature Down
What are the two main properties of pure matter?
Physical and Chemical
Convert 750 mL to liters and 3.2kg to grams.
750 mL= 0.75 L; 3.2 kg =3,200 g.
Explain how rustingdiffers from cutting paper.
Rusting creates a new substance; cutting paper only changes its size or shape.
Describe how particle movement changes from a solid to a gas.
Solid particles vibrate in fixed positions; gas particles move rapidly and spread apart.
What are keys for volume and pressure for Boyle's Law
Volume Up-Pressure Down, Volume Down-Pressure Up