What are the 3 properties of metals?
Malleable
Ductile
Conductor
Luster is shiny
Which of the following is an element?
Sugar
Water
Salt
Oxygen
oxygen
What is the difference between Potential Energy and Kinetic Energy?
P- is stored
K- is using the energy/moving
The formula for Density is ?
Mass/Volume=Density
What type of change is baking a cake?
Chemical
If a material can easily be drawn into the shape of a wire, it is?
Ductile
What is a pure substance?
Elements and compounds
name this energy!
RED LIGHT!
Potential.
Describe and name the method used to find the volume of an irregular object.
Water displacement..........
What type of thermal energy is used in a microwave?
Radiation
Iron is a good conductor, malleable and magnetic. What type of element is Iron?
metal
A pure substance that cannot be separated into simpler substances by chemical or physical means.
Element
What type of potential energy is a slingshot?
Elastic
Unit that mass is measured (in our science class)
Grams
Hot air is less dense than cold air
Which elements are found on the left to middle of The Periodic Table?
metals
Which of the following represents an element?
H20
NaCl
H
CaCo3
H
True/False: Because energy cannot be created or destroyed, when an object’s kinetic energy increases, its potential energy must decrease!
True
When finding the volume of a REGULAR SOLID, your units will be in
CM3
What is denser Diet Soda or Regular Soda?
Diet
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?
Metalloid
Is salt an element, compound or mixture?
Explain your reasoning.
Salt is a mixture because it can be separated.
At what point on a rollercoaster does it have the most potential energy?
When you are brought to the top for the first time.
What is the density?
L-10
W-12
H-5
Mass- 60
0.1
What is the unit used for kinetic energy?
Joules