Energy
Eduardo cooks a pizza in a gas oven. Which form of energy cooks the pizza?
heat
Cars, bicycles, and people can all be objects in motion. What is it about an object in motion that is constantly changing?
position
Water freezes and thaws into cracks in the rocks. What does this do to the rocks?
It breaks large rocks into smaller rocks.
Even though burning a fossil fuel releases energy, what else can it produce?
pollution
What must be transferred from parents to their offspring for the species to continue?
inherited traits
A book falls on the floor. Which is the main form of energy that results when the book strikes the floor?
sound energy
Forces can affect the rate of an object’s motion. Is acceleration a force? True or False?
False
What is the process of moving broke earth materials to a different location?
erosion
Where does the energy from most living things originate?
the sun
What level of development for a human is critical to its survival?
the entire life cycle
What is true about energy?
Energy can change from one form to another
On a warm, sunny day, Derek hung some wet clothes outside on a clothesline. Which change of state will happen to the water in the clothes?
The water will change from a liquid to a gas
How long does it take for the moon to make one revolution (orbit) around Earth?
28 days
Which natural disaster causes short-term changes and damage to an ecosystem?
hurricane
Animals use food and oxygen together to produce the ______ necessary for life.
energy
During a storm, you can sometimes hear thunder. The sound of thunder is produced by vibrations. What vibrates to make the sound of thunder?
the air
A few materials are magnetic, but most are not. If an object is attracted to a magnet, what is the object made of?
metal
What type of rock is formed from molten material which has cooled and hardened?
igneous rocks
What nonliving thing does a shark depend on to survive in the ecosystem?
water
Organisms can only come from their own kind of organism and must have ____________ organism to exist.
a parent
More and more people around the world are getting their electricity from renewable resources. Which word is another word for renewable?
replacable
A block of wood, a ball of aluminum foil, a block of stone, and a block of clay all have the same volume. Which of these has the greatest density?
stone
When it is summer in the Northern Hemisphere, what is the season in the Southern Hemisphere?
winter
Which human activity probably does the most harm to natural ecosystems?
traveling in a car
What does it mean if a behavior is inherited?
It means that the behavior is not learned.