Physics
What is the force that pulls objects toward the center of the Earth?
Gravity
What is the compound that has this chemical formula H₂O?
water
What is the powerhouse of the cell?
Mitochondria
What is the molten rock beneath the Earth's surface called?
Magma
The planet closest to the Sun is?
Mercury
The study of living organisms is called?
Biology
What is the largest organ in the human body?
skin
What is the unit of force in the International System of Units (SI)?
Newtons
what is the pH of a neutral substance?
7
What is the process by which plants make their food using sunlight?
Photosynthesis
This type of rock forms from the cooling of molten rock.
Igneous
What is the largest planet in our solar system?
Jupiter
This instrument is used to measure temperature.
Thermometer
Which system in the body is responsible for transporting blood, nutrients, gases, and wastes?
The circulatory system
What is the formula to calculate speed?
speed = distance / time?
What is the atomic number of carbon?
6
What is the basic unit of life? (building block of living things)
This natural disaster is caused by the sudden movement of Earth's plates.
earth quake
This force keeps planets in orbit around the Sun.
Gravity
The boiling point of water in degrees Celsius is?
100
These bones protect the brain.
the skull
What is the term for the energy an object has due to its motion?
Kinetic
What is the process called where a solid changes directly into a gas?
Sublimation
what do plant cells have that animal cells do not have?
cell wall or chloroplasts or large vacuoles
The scale used to measure the strength of earthquakes is called?
Richter
What is the name of the galaxy that contains our solar system?
milky way
The scientist who formulated the theory of evolution by natural selection is?
Charles Darwin
This is the longest bone in the human body.
the femur or thigh bone
This simple machine consists of a bar that pivots at a fixed point.
lever
A substance made of two or more elements chemically combined is a?
compound
What is the name of the molecule that carries genetic information?
DNA
What layer of the Earth is liquid and made of liquid iron and nickel?
outer core
This term describes a star explosion.
Supernova
This scientist is famous for his laws of motion and universal gravitation.
Issac Newton
Where would you find the smallest bones in the human body?
In the ear