Scientific Thinking
What do scientists use to make observations and ask questions?
(Answer: The scientific method)
What are the three main states of matter?
(Answer: Solid, liquid, gas)
What causes day and night?
(Answer: Earth's rotation)
What part of the plant takes in water?
(Answer: Roots)
What is the force that pulls things toward the Earth?
(Answer: Gravity)
What do we call the thing we change in an experiment?
(Answer: The independent variable)
What state of matter has a definite shape and volume?
(Answer: Solid)
What causes the seasons?
(Answer: Earth's tilt and orbit around the sun)
What do plants use to make their food?
(Answer: Sunlight, carbon dioxide, water - photosynthesis)
What is the process of water moving through the environment called?
(Answer: The water cycle)
Why do we use a control group in experiments?
(Answer: To compare and see the effect of the variable)
What happens to molecules when something gets heated?
(Answer: They move faster and spread out)
What are the four layers of the Earth?
(Answer: Crust, mantle, outer core, inner core)
What is the job of the lungs?
(Answer: To take in oxygen and remove carbon dioxide)
What are the outer planets made of?
made of gases
What safety tool should you wear to protect your eyes in the lab?
(Answer: Goggles)
What is it called when water turns into gas?
(Answer: Evaporation)
What tool helps us measure temperature?
(Answer: Thermometer)
What are inherited traits?
(Answer: Traits passed from parents to offspring)
What are the inner planets made of? What does inner mean?
Name all 6 steps of the scientific method in order.
(Answer: Ask a question, research, form a hypothesis, experiment, analyze data, conclusion)
What’s the difference between a physical and a chemical change?
(Answer: Physical change doesn't make something new; chemical does)
Why are producers important in a food chain?
Answer: They provide the energy for all other organisms by making their own food through photosynthesis.
What is a producer in a food chain?
A plant that makes its own food
Which shows the correct order of a simple food chain?
A. Sun → Deer → Grass
B. Grass → Sun → Deer
C. Sun → Grass → Deer
D. Deer → Grass → Sun
C. sun ---> grass ---> deer