Physical Science
Rusting Iron is an example of _____ change.
chemical
What causes data and night?
The Earth rotating on its axis.
What is the main function of a plant's root?
absorb nutrients and water
Which step of the scientific method comes first?
Asl a question
what tool would you use to measure weight?
scale
What happens to the motion of an object if you apply more force to it?
It speeds up or changes direction
Explain the water cycle.
Water moves through evaporation, condensation, and precipitation
What is an example of a structural adaptation that helps a camel survive in its environment?
long eye lashes or a hump
What is a hypothesis?
Educated guess that can be tested
What happens to shadows when the sub is higher in the sky?
short and small
what measurement would you use to measure volume liquid?
liters
What are the main nonrenewable resources?
Coal, Oil, Natural gas
In a food chain, what do plants always act as?
producers
Why is it important to follow lab safety rules?
. To protect yourself and others from getting hurt
What process do plants use to make food?
photosynthesis
Which form of energy is produced when you rub your hands together quickly?
thermal
What kind of weather would you expect when a cold front moves into an area?
stormy and cooler
What happens if one part of a food web is removed (like a predator or prey)?
other animal populations may increase
What do you call the one thing in an experiment that you change?
variable
Explain the difference in W E D
weathering- breaks it down
erosion- carries it away
deposition- drops it off somewhere else
What is the tendency of an object to continue moving forward when a car starts?
inertia
Which of these is caused by the Moon’s gravitational pull on Earth?
the ocean's tides
What is the purpose of life cycle stages (like egg, larva, pupa, adult) in insects such as butterflies?
so living things can grow and change.
Name the lab safety rules for all labs
close toed shoes, use goggles and lab coats, never eat or drip, whiff, no horse play
What can we do to reduce human impact?
recycle, reuse, reduce.