What is the main source of energy for Earth?
Correct!
Wrong!
The Sun provides most of the Earth's energy.
Which organ pumps blood through the body?
Correct!
Wrong!
The heart circulates blood.
Which material is a good conductor of electricity?
Correct!
Wrong!
Metals like copper are good conductors.
What do plants need to make their own food?
Correct!
Wrong!
Plants use sunlight, carbon dioxide, and water for photosynthesis.
Which state of matter has a definite shape?
Correct!
Wrong!
Solids maintain a fixed shape.
Which planet is known as the Red Planet?
Correct!
Wrong!
Mars is often called the Red Planet.
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What happens when water is heated to 100°C?
Correct!
Wrong!
It boils and turns to steam.
What gas do humans need to breathe?
Correct!
Wrong!
Humans need oxygen to survive.
Which force pulls objects toward the Earth?
Correct!
Wrong!
Gravity pulls things down to Earth.