Energy & Motion
What happens to an object's energy when its speed increases?
It increases
What carries energy through space?
Waves
What do plants use to make food?
sunlight
What is the breaking down of rocks called?
weathering
What type of map shows land elevation
topographic map
Name one way energy can be transfered.
What do we call how tall a wave is?
amplitude
What body system helps you breathe?
respiratory system
What is the movement of soil by water or wind called?
erosion
What is a natural resource?
something from nature people use
What type of energy is stored energy?
potential energy
light reflects off objects into our eyes
What are traits that help animals survive called?
adaptations
What can fossils tell us?
about past life and environments
Name a renewable resource.
sunlight, wind, water
What happens to energy when two objects collide?
energy changes or transfers
What happens when light bounces off a surface?
reflection
What part of a plant absorbs water?
roots
What natural event can quickly change Earth's surface?
landslides, volcanoes, earthquakes
What resource is used to make gasoline?
oil
anything that converts energy
What is it called when light bends?
refraction
What system moves blood throughout the body?
circulatory system
What causes canyons to form over time?
erosion by water
Why should we conserve natural resources?
they can run out or harm the environment