Grade 6
What is the main source of energy for most ecosystems on Earth?
The Sun
What is the basic unit of life?
A cell
What is the first step in the scientific method?
Ask a question or identify a problem
What is the difference between biotic and abiotic?
Biotic- Alive
Abiotic- Not alive
Name two differences between plant cells and animal cells.
plant cells have a cell wall and chloroplasts; animal cells do not
Why is it important to repeat an experiment multiple times?
To ensure the results are reliable and not due to chance
Which state of matter has a definite shape and a definite volume?
Solid
What is the function of the mitochondria in a cell?
It produces energy for the cell, often called the "powerhouse" of the cell
Explain Newton’s third law of motion and give a real-world example.
For every action, there is an equal and opposite reaction. Example: a rocket launching pushes gas down and the rocket moves up.
Which tool would you use to measure the mass of an object?
Triple beam balance or scale
Describe the process of photosynthesis and name the organelle where it occurs.
Photosynthesis is the process by which plants use sunlight, carbon dioxide, and water to make glucose and oxygen. It occurs in the chloroplast.
Describe the difference between an element and a compound.
An element is made of only one type of atom; a compound is made of two or more types of atoms bonded together.
What instrument is used to measure air pressure?
Barometer
Why is mass conserved during a chemical reaction?
Because atoms are rearranged, not created or destroyed, the total mass stays the same
Explain how convection currents in the mantle contribute to plate movement
Hot material in the mantle rises, cools, and sinks again, creating currents that push tectonic plates