Vocab
anything that has mass and takes up space
What is matter?
This results in a new substance and is permanently changed
What is a Chemical change?
A substance that can't be broken down into any other substances.
Element
A combination of 2 things is called this.
What is a mixture?
What is the Volume of an object with a length of 5cm height 10 cm and width 1 cm
50 cm3
the amount of matter something has
What is mass?
A change in matter that doesn't create a new substance
What is Physical change?
H20 (water) is an example of this, as it is made up of different elements bonded together.
What is a compound?
Water and sugar mixed together is an example of this.
What is a heterogenouos mixture?
H2O, CO2, and C12H22O11 are all examples of chemical
What is Chemical Formulas
The amount of space an object takes up.
What is Volume or Matter
Which change occurs when you bake cookies?
What is a chemical change?
What holds Compounds together?
This type of mixture is easy to separate back into its original components.
Give me an example of both a physical and chemical property.
Physical: Cutting wood
Chemical: Flammability
What is the study of matter called
Chemistry
Melting wax, ice, and metal are all what type of changes
What are physical changes?
How many Oxygen are in glucose? C6H12O6
What is 6
This type of mixture is different throughout. Fruit salad and sand are examples of this.
What is a heterogeneous mixture?
What is a group of two or more atoms that are chemically bonded called?
Molecule
Property calculated from mass and volume
What is density?
Hammering a nail and bending a wire are all examples of this
What are Physical changes?
How many different ELEMENTS make up the compound C6H12O6
What is 3
Give one example of a homogeneous mixture
Honey, Soy Sauce
Is dissolving a pack of powder in water a chemical or physical change? Why?
Physical because over time the substances will naturally separate and neither the powder nor the water has changed into a new substance.
What is the name of the reaction where energy is released and temperature rises?
What is the name of the reaction where energy is absorbed and temperature decreases?
1. Exothermic Reaction
2. Endothermic Reaction
Flammability and reactivity are examples of this
What is chemical properties?
What is the ratio of Carbon to Sulfur Atoms in:
C₂₂SO₄
22:1
This type of mixture is the same throughout. Lemonade and milk are two examples of this.
What is a homogeneous mixture?
What is the density of a cube that has a 10cm side and a mass of 150g
.15 g/cm3