The amount of daylight and darkness changes throughout the year because of this.
What is Earth's tilt?
Energy stored in food is an example of this type of energy.
What is chemical energy?
An object in motion stays in motion unless acted on by a force. This is an example of this law.
What is Newton’s 1st Law?
This process explains how helpful traits become more common over generations.
What is natural selection?
The rate at which a vibration occurs
What is frequency?
This force keeps the Moon in orbit around Earth.
What is gravity?
A stretched rubber band has this type of potential energy.
What is elastic potential energy?
The faster something moves, the more of this it has.
What is kinetic energy?
A bird’s sharp beak that helps it eat insects is an example of this.
What is an adaptation?
The height of a wave from the rest position to the crest.
What is amplitude?
The path a planet takes as it travels around the Sun.
What is an orbit?
When you rub your hands together and they get warm, this type of energy is produced.
What is thermal energy?
This is the force that pulls all objects toward Earth’s center.
What is gravity?
This is the source of variation in a population’s traits.
What are genetic mutations?
A loud sound has more of this than a quiet sound.
What is energy (or amplitude)?
When it’s summer in the northern hemisphere, it’s this season in the southern hemisphere.
What is winter?
This law says energy cannot be created or destroyed.
What is the law of conservation of energy?
A student pushes on a wall, but the wall doesn't move. This is an example of this type of force.
What is a balanced force?
A trait that increases an organism’s chance of surviving and reproducing.
What is a beneficial trait (or adaptation)?
Information can be sent using pulses of light in this type of wave.
What is an electromagnetic wave?
The length of Earth’s orbit around the Sun.
What is one year (or 365 days)?
The type of energy transformation that happens when a battery powers a flashlight.
What is chemical to light energy?
When two teams pull with equal force in tug-of-war, the rope doesn’t move. Why?
What is balanced forces?
Over many generations, helpful traits do this in a population.
What is become more common (or increase in frequency)?
This state of matter tranfers sound the best.
What is a solid?