Biology
What do plants need to make food?
Sunlight, water, carbon dioxide, and nutrients from soil
What takes up 3/4 of the Earth?
Water
What state of matter is water when it’s frozen?
solid
What tool would you use to look at tiny things, like cells?
Microscope
What do you call all the living and nonliving things in an area?
Ecosystem
What three things are needed to start and keep a fire burning?
Heat, fuel, and oxygen (Fire Triangle)
What is the basic unit of life?
cell
What is the name of the imaginary line Earth spins around?
The axis
What do we call something that takes up space and has mass?
matter
What do you call a prediction you make before doing an experiment?
hypothesis
What do animals usually eat to get energy?
Plants or other animals
What part of a candle flame is usually the hottest?
The blue part at the base of the flame
What part of your body carries oxygen from your lungs to your cells?
Red blood cells
What layer of Earth is made of melted rock and lies below the crust?
The mantle
What is the force that pulls objects toward Earth?
gravity
What tool would you use to measure the weight (mass) of an object?
A scale or balance
What do we call a group of the same species living in the same place?
Population
What year did the Total Fire Suppression start?
1910
What do animals use to detect their environment (like smell, sight, or hearing)?
Sense organs or senses
What causes ocean tides to rise and fall?
The Moon's gravity
What tool is used to measure pressure?
Barometer
What does the word “data” mean in a science experiment?
Information or measurements collected during an experiment
How does pollution affect plants and animals?
It can harm their health, food, or homes
What kind of material is most flammable: wood, metal, or paper?
Paper
Why do muscles need oxygen during exercise?
To produce energy (oxygen helps release energy in cells)
What is the difference between weather and climate?
Weather is short-term (like rain today); climate is long-term (average conditions)
What do we call the force that slows down objects when they slide across a surface?
Friction
What is the purpose of a control in an experiment?
To compare results and see what changed
Why is clean water important for ecosystems?
All living things need it to survive
Why do firefighters wear special suits when entering burning buildings?
To protect them from heat, flames, and smoke
What is the name of the cell splitting process?
Mitosis
How does Earth’s tilt affect the amount of sunlight we receive?
It causes seasons by changing how direct the sunlight is
What happens to water molecules when water boils?
They move faster and spread far apart
Why is it important to only test one variable at a time in an experiment?
So you can know what caused the result (keep it fair and clear)
What is one way humans can protect endangered species?
By protecting habitats, making laws, or rescuing animals
How does understanding fire help us design safer buildings?
It helps us make fire exits, alarms, and safer materials