The Earth's surface is divided into many different_________
What are plates?
100
What cycle helps control the weather?
What is the water cycle?
100
You would need to do this to count the number of stars in the sky.
What is estimate?
100
Sharpening a pencil and tearing paper change the appearance of the objects. What type of change is this?
What is a physical change?
200
In a food web based on our backyard, this would happen to the number of mice if the number of hawks increased.
What is the number of mice would decrease?
200
Which of the following is a nonrenewable resource: wood, coal, or water?
What is coal?
200
This is what happens when light strikes a smooth, shiny surface like a mirror.
What is the light is reflected?
200
You would need to make one of these to check the accuracy of you data during an experiment.
What is a data table?
200
Baking a cake?
What is a chemical change?
300
What part of the cell is considered the brain?
What is the nucleus?
300
Biomes are all over the world. This biome is found around Earth's North and South Poles.
What is the tundra?
300
Newtons first law of motion.
What is Inertia?
300
Marta is planning an experiment about plants. She says, "Plants grow better in sunlight." This statement is an example of what?
What is a hypothesis?
300
Manufacturers often put rubber handles on metal pots for this reason.
What is rubber does not conduct heat as well as metal does?
400
Organelle that makes all the energy for the cell
What is the mitochondria?
400
Looking at a volcano, a glacier, and a canyon - which is a process that builds up Earth's landforms?
What is a volcano?
400
For every action there is an equal but opposite reaction.
Newtons 3rd Law?
400
A scientist is studying the affects of different brands of fertilizer on a plant. In this experiment, what is the fertilizer considered?
What is the independent variable?
400
Where can you find a list of all the elements?
What is the periodic table of elements?
500
List the level of organization from smallest to largest.
cell, tissues, organs, organ systems, organism
500
Earth has four seasons. What is the cause of Earth's changing seasons?
What is Earth's tilt on its axis as it revolves around the sun?
500
A group of students observe cars stopping on a rough gravel road. Then they observe other cars stopping on a smooth, paved roadway. What will they conclude about the cars stopping in relation to friction?
What is the gravel road has greater friction?
500
This is the first step in the design process.
What is define a problem?
500
What are the negatively charged particles in an atom?