EARTH & SPACE
This layer of Earth is where we live.
What is the crust?
A push or a pull is called this.
What is a force?
This is the step where you make a smart guess in an experiment.
What is a hypothesis?
Living things need this to make food.
What is sunlight?
Solid, liquid, and gas are called this.
What are states of matter?
The movement of Earth around the Sun is called this.
What is revolution?
This force pulls objects toward Earth.
What is gravity?
This tool is used to observe stars and planets.
What is a telescope?
This part of a plant takes in water.
What are roots?
This state of matter has a definite shape.
What is a solid?
These are natural events like earthquakes or volcanoes.
What are natural disasters?
Faster objects have more of this.
What is speed?
This is the ability to use your five senses to gather information.
What is an observation?
Animals that eat only plants are called this.
What are herbivores?
Heat moving from one object to another is called this.
What is thermal energy?
This process causes day and night.
What is rotation?
This force slows objects down when they rub together.
What is friction?
This is a safety rule you should always follow during a science lab.
What is wearing safety goggles? (accept: follow lab rules, listen to the teacher, no eating in lab)
A group of the same kind of animals is called this.
What is a population?
This change happens when water turns to ice.
What is freezing?
This process changes rocks over time by wind or water.
What is weathering?
Changing speed or direction means this happened.
What is a change in motion?
This type of change can be reversed, like melting ice.
What is a physical change?
This shows how energy moves in nature.
What is a food chain?
Energy that makes things move is called this.
What is mechanical energy?