Human
Which organ helps digest food?
Stomach
What are the three main states of matter on Earth?
Solid, Liquid and Gas
What is the name of the force that pulls objects down toward the Earth?
Gravity
What do you need to connect to a battery to make a light bulb glow?
Wires
What does scientists use to observe space?
Telescope
What is the largest organ in the human body?
Skin
Is water a solid, liquid, or gas at room temperature?
Liquid
What causes day and night on Earth?
Rotation of the Earth on its axis
Which material is a good conductor of electricity?
Metals
A _____ _____ is a diagram which shows how energy transfers from one living thing to another living thing when it is eaten by another animal.
Food chain
Which organ is made mostly of muscle and works non-stop?
Heart
What do we call it when gas turns back into a liquid?
Condensation
Which planet is known as the Red Planet?
Mars
What is the function of a switch in a circuit?
To turn the electricity on or off
________ is an equipment to measure the strength of a force.
Forcemeter
Which organ removes waste and makes urine?
Kidneys
What is it called when solid changes into gas?
Sublimation
What causes day and night on Earth?
Rotation of the Earth on its axis
What do we call a material that does NOT allow electricity to flow easily?
insulator
What part of the flower contains the pollen?
Stamen (Anther, Filament)
Which organ absorbs most of the nutrients from food?
Small intestine
What happens to particles in matter when you heat them up?
They move faster and spread apart. (Vibrates)
What is a dwarf planet that was once considered the ninth planet?
Pluto
The strength of electricity is called ................
Voltage
What grows from a seed and becomes a new plant?
Seedling