Which organ pumps blood?
(Heart)
What do fish use to breathe?
Gills
What can water conduct?
Electricity
What force pulls objects to Earth?
Gravity
What planet do we live on?
Earth
Which body system helps us breathe?
Respiratory system
What helps a cactus store water?
Stem
What type of energy powers a radio?
Electrical energy
What force helps brakes stop a bicycle?
Friction
What shines brightly during the day?
Sun
Which body part protects the brain?
(Skull)
What is it called when animals blend into their surroundings?
Camouflage
What do solar panels use to make energy?
Sunlight
What simple machine is a ramp?
Inclined plane
What object orbits the Earth?
Moon
Which organ helps digest food?
Stomach
What do plants need to make food?
Sunlight
What powers a flashlight?
Battery
What helps a boat float?
Buoyancy
What causes day and night?
Rotation
What carries messages through the body?
Nervous system
Which part of the plant absorbs water?
Roots
What type of energy can be replaced naturally?
Renewable energy
What affects how fast an object moves?
Force
What is the name of the group of planets around the sun?
Solar System