Life Systems
What do plants need to grow? (4 things)
Sunlight, water, air, soil
What are the three states of matter?
Solids, liquids, and gasses.
What material would make the sturdiest model bridge?
Elastic bands, straws, or popsicle sticks.
Popsicle sticks.
What's the largest planet?
Jupiter
What's a tool that can help you see stars and planets?
Telescope.
What part of the plant takes in the water from the ground?
Roots
Water.
What do you call the structure made by birds to hold their eggs?
Nest.
Mars
What does the E in STEM stand for?
Engineering.
What is one way animals help plants?
What state of matter is water when it boils and evaporates?
Gas.
What shape is often used to make a structure strong and stable?
Triangle.
Which planet is closest to the sun?
Mercury
Science and technology can be used with other subject areas to address what kind of problems? (i.e. oil spills)
What is a food chain?
A sequence that shows how living things get food.
What do you have to add to solid ice to make it turn into a liquid?
Heat.
A bird's nest and a skyscraper are examples of this type of thing. One is found in nature, and the other is humanmade.
Structures.
Why do we have daytime and nighttime?
What part of the scientific method helps us find out if our guesses or hypotheses are correct?
Experiment.
Why is it important to protect the habitats of plants and animals?
Because they need specific environments to survive and all living things rely on each other.
Give one example of a change that can be reversed, and one that is irreversible.
Ie) Frozen water (reversible)
Eggs (irreversible)
This word means a structure can keep its shape, balance, or stay in place, even when a force acts on it.
Stability.
What is the imaginary line that circles the Earth, dividing into the northern and southern hemispheres called?
Equator.
If a team wants to design a paper airplane that flies the furthest, what is one thing they should change and test each time to improve it?