• white bread =white sand
• brown bread =dust/dirt
• peanut butter =mud
• raisins = big rocks
• red jam = old decaying plants
• purple jam = old bones and remains of animals
• graham cracker crumbs =clay
100
What is the relationship between energy and motion?
The more energy given, the more motion there will be
100
Whats a fossil
plant and animal remains
100
Whats the height of a wave called
a crest
200
What affect does raising amplitude have on a sound wave?
makes the wave taller
200
Fossils have revealed to paleontologists that Antarctica may have once been a....
forest
200
What is kinetic energy
energy of motion
200
Name two things that fossils tell us about our past
What plants/animals lived long ago
What the environmental conditions were like long ago
200
Name a pro and con of river damming
answers will vary
300
What affect does raising frequency have on a sound wave?
creates more wavelengths
300
Caves form from a process where wind and water wear away material over time. This process is called...
weathering
300
Name three types of ways heat is transferred
conduction (through two objects touching)/convection (through liquid or gas)/radiation (through space)
300
How are fossils formed
animal/plant remains are buried in rock
300
What's Pangaea
the Earth 200 million years ago-as one super continent
400
What is the body part that you can feel sound in when speaking?
vocal chords
400
What is erosion
movement of soil and rocks from wind/water/ice
400
What do you need for a complete circuit
a battery (source of electrical potential resistance/voltage), a path (a wire), a light bulb (something that lets the electricity do work)
400
How do you know which is the oldest/newest layer of the fossil?
youngest fossils in top layers of rock, because as time goes by more layers of sediment pile on top of older fossils
400
Whats the name for the place in the basin of the Pacific where are large number of volcanoes have occurred
ring of fire
500
True or False. Sound can travel through solids, liquids, and gases
True
500
What are three factors that affect erosion rate?
slope of hill, amount of rainfall, amount of vegetation on land, type of soil
500
Name the two types of energy sources, and define each
renewable (produced again by nature/reproduction in a human lifetime) and non renewable
500
When an organism dies and is buried in sediment and the sediment changes to rock and the body decomposes leaving and imprint-what kind of fossil is this?
mold fossil
500
What are the three types of ways tectonic plates move past one another?