Life Science
What is a mutation?
A mistake or change in an organisms DNA
What are the two main forms of energy?
Kinetic and Potential
Which of the following is a natural cause of wildfires?
A. Fireworks
B. Campfire
C. Lightning
D. Burning Garbage
C. Lightning
Which has more gravitational potential energy: A ball at the top of the hill or at the bottom?
At the top
Copper wire cut pieces; is it physical or chemical change?
Physical
What are the raw materials needed for Photosynthesis?
Carbon Dioxide, Water and Sunlight
Kinetic Energy is energy an object has because of its _____________
Motion
What is the reason for the seasons?
The Earths tilt
What are the three most common states of matter?
Solid, Liquid and Gas
An example of a mechanical digestion which involves physical change:
A. Liver releasing enzymes into the digestive tract B. Salivia breaking down starch into Carbohydrates
C. Teeth chewing on a piece of pizza until it is small enough to swallow D. Proteins being broken down into smaller molecules in the small intestines
C. Teeth Chewing on a piece of pizza until it is small enough to swallow
Why are decomposers important to a ecosystem?
What is the ability to do work?
Energy
What is the reason we have high and low tides?
Moons gravitational pull
What is evaporation?
Which is a chemical change: Boiling water or rust
Rust (oxidation)
What is the function of the respiratory system?
To supply blood with oxygen and remove CO2
As a roller coaster goes down a hill, what happens to its energy?
Potential energy decreases while kinetic energy increases
Which Process are fossils formed by the compression of dead organisms over time?
A. Canonization B. Extinction
C. Mineralization D. Radioactivity
A. Canonization
What happens to the molecules within a gas when the gas condenses?
They lose energy
Is melting butter for popcorn a physical or chemical change?
Physical - change in state from solid to liquid
What is the process by which organisms that are best suited for their environment survive
Natural Selection
Which type of energy transfer occurs in a solar panel?
Radient/Light goes to Electrical
Which body parts do not fossilize because animals tend to consume them?
Muscles
Which state of matter has no fixed volume and no fixed shape?
Gas
The explosion of fireworks is what change?
Chemical