What is the correct term for the following statement? Inference or Hypothesis
If plants are watered everyday, then they will grow faster than plants watered once a week.
Hypothesis
Which of these is an example of behavioral adaptation?
1. A squirrel that has buried acorns.
2. A cow that has flat teeth.
3. An owl that has soft feathers.
1. A squirrel that has buried acorns.
Resources can be classified into two categories on the basis of exhaustibility. The two categories are:
Renewable resources and non-renewable resources
Sound is a form of ________________ energy.
mechanical
What are the 3 states of matter?
solid, liquid and gas
Use the correct term. Inference or Hypothesis?
The stems are drooping so the plants need water.
Inference
A ________ __________ shows how many different food chains in one ecosystem are connected and overlapping.
food web
Choose the correct answer.
Coal is important to Virginia because
a. it is found in many areas of the country
b. it can be used for energy
c. it is formed from plant and animal remains
b. it can be used as energy
Visible light is _____________ energy that we can see.
radiant
Matter is made up of tiny particles called __________.
atoms
Anything that has mass and takes up space is called ______________.
matter
A dichotomous key is a tool used to classify organisms based on their ______________ characteristics.
physical
What is the difference between natural resources, capital resources and human resources?
Natural resources are derived from nature, capital resources are man-made tools and human resources are people who are considered a resource through their knowledge and skills.
____________ is the number of waves that pass a certain point in a certain amount of time.
Frequency.
Many kinds of matter changes from a solid to a liquid to a gas when they experience a temperature ______________.
increase or decrease?
increase
A mixture where one substance dissolves into another is called a ____________.
solution
Each organism has its own niche that it performs in the food web of its community.
Another word for niche is?
role
Which of the animals below is a vertebrate?
1. butterfly
2. snake
3. beetle
2. snake
Light is reflected when it bounces off an object. Light can refract or bend when moving from one medium to another such as a spoon in a glass of water. Light can pass through a metal or be ___________.
transmitted
Many kinds of matter changes from a gas to a liquid to a solid when they experience a temperature ______________.
increase or decrease?
decrease
What is the breaking down of rocks into smaller pieces called?
Weathering
Green plants produce their own food through the process of _____________.
photosynthesis
Jada had some seedlings which she placed by an open window. She noticed that the plants were all leaning towards the outside. The plants were responding to which factor of the environment?
water, oxygen, light or carbon dioxide?
light
When an object absorbs all the light, it is said to be _________.
opaque
True or false
Though matter changes phases, it does not gain or lose mass. Its mass stays the same no matter the phase.
True