Matter and Mixtures
What are the three states of matter?
Solid Liquid Gas
What is energy?
The ability to do work or cause change.
What causes day and night? How many hours in a day?
Earth's rotation. 24
What do all living things need to survive?
Air, water, food, and shelter.
How can you test the density of an object
sink or float
What is a mixture?
A combination of two or more substances that keep their own properties
Name the forms of energy.
Light, heat, electrical, sound, mechanical
Name the planets in order from the sun
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
What is the difference between abiotic and biotic?
biotic- living
abiotic- non-living
Explain the difference between REFRACTION and REFLECTION?
refract bend
reflect bounce off
What is a solution?
A special mixture where one substance dissolves in another
What happens when you increase the force on an object
It moves faster or further
What is the difference between compaction and cementation?
Compaction is the process where sediments are pressed down and squeezed together and cementation is the hardening.
What is a structure? What is a function?
Body part
How the organism uses it to survive
Something that allows electricity or heat to flow through? Something that stops the flow of electricity or heat?
conductor
insulator
True or False: Sand and water form a solution
False — they form a mixture, not a solution
What type of energy makes a radio play music?
Sound energy.
What is weathering?
The breaking down of rocks by wind, water, or ice.
What is a behavior?
Something a organism does to increase survival
How do you measure temperature?
thermometer
How can you separate a mixture of iron filings and sand?
Use a magnet
What is friction? Give an example.
A force that slows or stops motion when two surfaces rub together.
What causes the seasons?
Earth's tilt and orbit around the sun.
Name a animal. Name a structure its function and a behavior used for survival
?
What is a variable?
Something that can change in an experiment