Life Science
What is the basic unit of life?
What is a cell?
What is matter made of?
What are atoms?
What causes day and night?
What is Earth's rotation?
What do engineers do?
Design and build things to solve problems.
What is energy?
The ability to do work or cause change.
What do plants need to perform photosynthesis? (This is how plants make their own energy)
What are sunlight, water, and carbon dioxide?
Name the three states of matter.
What are solid, liquid, and gas?
Name one natural source of light.
What is the Sun?
What is a model in science?
A representation of something too big, small, or complex to study directly.
What is a variable in an experiment?
A factor that can change in an experiment.
Which part of a plant takes in water from the soil?
What is the root?
What happens to water when it freezes?
It turns into a solid (ice).
What layer of the Earth do we live on?
What is the crust?
Why do scientists repeat experiments?
To make sure their results are accurate and reliable.
What is a "system" in science?
A group of parts that work together as a whole.
What body system helps you breathe?
What is the respiratory system?
What is it called when a liquid turns into a gas?
What is evaporation?
What are TWO causes for seasons on Earth?
What is the tilt of Earth's axis and it's rotation?
What is a constraint in engineering?
A limit or restriction, such as time, materials, or cost.
What does "conservation" mean in science?
Protecting and wisely using natural resources.
Name two ways animals adapt to cold environments.
What are growing thick fur and hibernating?
Why does a metal spoon feel colder than a wooden spoon?
Because metal is a better conductor of heat.
Name two ways humans can protect natural resources.
What are recycling and conserving water?
How does technology affect the environment both positively and negatively?
It can solve problems (like clean energy) but also cause harm (like pollution or habitat destruction).
What is the difference between a theory and a hypothesis?
A hypothesis is a testable guess; a theory is a well-tested explanation based on evidence.