What are the three main states of matter?
Solid, liquid, gas
What do we call a plant in a food chain?
Producer
What do we need to power a circuit?
Battery/cell
What force pulls us to the ground?
Gravity
What do we need to see things?
light
What happens to ice when it melts?
It becomes liquid water
What do animals eat to get energy?
Food
What do wires do in a circuit?
Carry electricity
What force slows things down when they rub together?
friction
What is a material that blocks light called?
What do we call it when a liquid turns into a gas?
Evaporation
What is an animal that eats only plants called?
herbivore
What do we call a break in a circuit that stops the flow?
Open circuit
What do you call a push or a pull?
a force
What do we call bending of light?
Refraction
Give one example of a reversible change.
What is melting or freezing?
What happens if one part of a food web is removed?
It can affect the whole web
What is needed for a bulb to light up?
closed circuit with battery and wires
What is the name of the force that slows things down as they move through air?
Air resistance
What happens when light bounces off a surface?
reflection
What property describes how easily something dissolves in water?
Soluble/solubility
Draw and label a simple food chain with at least 3 steps.
plant -> herbivore -> carnivore
What is the difference between a series and a parallel circuit?
Series: one path
Parallel: more than one path
Name one way to reduce friction.
What do we call bending of light?
object blocks light