What is the first step of the scientific method?
Making an observation
What tool is used to measure temperature?
Thermometer
What layer of the Earth do we live on? Mantle, Outer Core, Inner Core, or Crust
Crust
Leaves
Which planet is known as the "Red Planet"? Venus, Mars or Jupiter
Mars
Why is it important to have a control group in a scientific experiment?
To compare it to the effects of the independent variable.
What type of energy is store in food and batteries?
Chemical energy
Which gas is most abundant in Earth's atmosphere? Oxygen, Carbon Dioxide, or Nitrogen
Nitrogen
What is the basic unit of all living things?
Cells
What part of the human body controls most functions and sends signals to the rest of the body? Heart, Brain, Lungs or Stomach
Brain
Which of the following best describes a hypothesis?
A testable prediction based on prior knowledge.
Which of the following is an example of a physical change?
Tearing paper
What causes the seasons on Earth?
Earth's tilted axis
Which body system is responsible for transporting blood throughout the body? Nervous, Circulatory, Digestive, or Respiratory
Circulatory System
Which property of matter describes how much space something takes up? Mass, Density, Volume, or Weight
Volume
In a well-designed experiment, which variable is deliberately changed to test its effect? Control, Independent, Dependent or Constant
Independent Variable
What happens to the particles in a substance when it is heated?
They speed up and move farther apart.
Which type of rock is formed when lava cools and hardens? Sedimentary, Metamorphic, Fossil, or Igneous
Igneous
Which of the following organisms is a producer in a food chain? Rabbit, Mushroom, Grass, or Hawk
Grass
Which layer of the atmosphere is where weather happens? Stratosphere, Mesosphere or Troposohere
Troposphere
Why is peer review an essential part of the scientific process?
It helps detect bias, errors, or flaws before research is accepted.
Which of the following is NOT a form of matter? Air, Light, Water or Ice
Light
What process in the water cycle turns liquid water into water vapor?
Evaporation
What is the main purpose of mitosis in multicellular organisms? Digestion of food, Reproduction of gametes, or Growth and repair of cells
Growth and repair of cells
In a food web, what type of organism breaks down dead plants and animals? Herbivore, Omnivore, Decomposer, or Producer
Decomposer