Matter
Anything that takes up space and has mass.
Matter
A part of a plant that can grow into a baby plant.
Seed
A tool that compares the weight of two items.
Balance scale
To say or write an idea.
Claim
How living things are connected through what they eat and what eats them.
Food chain
A state of matter, such as carbon dioxide in the air.
Gas
Material found on Earth's surface, made of tiny rocks and material from dead plants and animals.
Soil
A tool used to see very tiny things up close.
Microscope
Information used to support or reject an idea.
Evidence
Is sunlight matter or energy?
Energy
Solid, liquid, and gas are examples of these.
States of matter
A living thing that makes its own food.
Producer
To describe something using numbers that can be compared.
Measure
Which word describes a test used to answer a scientific question?
Experiment
In the willow tree experiment, what happened to the tree's weight?
It increased
This gas is taken in by plants during photosynthesis.
Carbon dioxide
Tiny openings on plant leaves that allow gas exchange.
Stomata
A test used to discover new information about a question.
Experiment
A student says, 'The tree gained weight.' Is this a claim or evidence?
Claim
In the willow tree experiment, did the soil lose as much weight as the tree gained?
No
True or False: Air is matter, even though we cannot see it.
True
Name two things plants take in that help them grow.
Water and carbon dioxide
Which tool would help compare the weight of two objects?
Which tool would help compare the weight of two objects?
A student records how much a tree grew. Is this measurement useful as evidence?
Yes
Why does a grown tree weigh more? Name two sources of matter involved in plant growth.
Carbon dioxide from air and water