Constructive and Destructive Forces
What is an example of a constructive force?
A volcanic eruption forming new land
What is a physical change?
A change that affects one or more physical properties without changing its chemical composition.
What is electricity?
A form of energy resulting from the existence of charged particles.
What is the basic unit of classification for living things?
Species.
What is an inherited trait?
A characteristic passed from parents to offspring.
How do earthquakes relate to destructive forces?
They can cause damage to the Earth's surface and structures.
Is melting ice a physical or chemical change?
Physical change.
Name a common conductor of electricity.
Copper.
Name one characteristic that distinguishes plants from animals.
Plants can perform photosynthesis.
Give an example of an acquired trait.
A skill learned, like riding a bike.
What is the difference between weathering and erosion?
Weathering breaks down rocks; erosion moves them away.
What happens during a chemical change?
Substances react to form new substances with different properties.
What is magnetism?
A force that can attract or repel certain materials, like iron.
What do we call animals that lay eggs?
Oviparous.
How can environmental factors affect traits?
They can influence growth, health, and behavior.
Name a constructive force that builds up mountains.
Tectonic plate movement
Give an example of a chemical change.
Rust forming on iron.
How does an electromagnet work?
By running electricity through a coil of wire wrapped around a metal core.
Give an example of a flowering plant.
Rose.
What is a dominant trait?
A trait that will appear in the offspring if one of the parents contributes it.
Describe how glaciers act as both constructive and destructive forces.
They can carve out valleys (destructive) and deposit sediments (constructive).
How can you tell if a chemical change has occurred?
Changes in color, temperature, gas production, or formation of a precipitate.
What are two ways to create a circuit?
By using a battery and connecting wires, or using a switch to open and close the circuit.
What are the two main groups of plants?
Non-vascular and vascular plants.
Name a physical trait that is inherited in humans.
Eye color.