Read each statement and then answer all of them. Do your best.
What is the smallest unit of life that can carry out all life functions?
Which statement best explains why offspring from sexual reproduction are not identical to their parents?
What is the primary function of chloroplasts in plant cells?
Which process releases energy by breaking down food molecules in cells?
Which term best describes how matter cycles through living and non-living parts of an ecosystem?
As temperature increases, what happens to the average kinetic energy of the particles in a substance?
Which two sources together make up more than 50% of the total energy?
What conclusion can you draw from this data?
If a material is heated and changes from a solid to a liquid, what happens to its particles?
In an experiment, students tested how different masses affect the speed of a cart down a ramp. Which graph would best represent their results?
Explain why Earth’s atmosphere is essential for life.
Design an experiment to test how light affects plant growth. What variables will you control, and what will you measure?
A student says that matter disappears during a chemical reaction. What evidence could you use to explain whether they’re correct?
Two skaters push off each other on ice. One is much smaller than the other. Who moves faster and why?
If amplitude increases in a wave, what happens to the energy of the wave?