Scientific and Engineering Practices
Living Systems and Ecosystems
Layers of Earth, Rocks, Erosion, and Conservation
Force, Motion, Energy, and Matter
Electricity, Light, and Sound
100

Before the experiment, a scientists will use background knowledge and research to predict the result of the experiment. What is this called?

Hypothesis

100

This gas is produced from photosynthesis.

Oxygen

100

Step-by-step instructions to carry out an experiment are found in the ___________

Procedure

100

Energy ________ be created or destroyed.

cannot

100

The pathway followed by electricity is called

Circuit

200

Whish planet has the second longest year?

Mars

200

As one consumer eats another consumer, what happens to the bigger consumer's energy?

Increases

200

It is possible for an individual to participate in conservation by 

Recycling an reusing materials

200

There is ______ energy on the food that we eat.

Chemical energy

200

The toaster converts electrical energy into ________

Thermal Energy

300

What does this device measure?

C. Mass

300

The role of an organism in its community is called

Niche

300
Wind carrying sand hits a giant rock for millions of years. This is an example of ___________.
Weathering
300

Which phase of matter has the least thermal energy?

Solid

300

Which materials are conductors?

plastic, copper, paper, wood, aluminum, rubber, iron, penny

coper, aluminum, iron, penny

400

Which one is an observation or inference?

C. Because I hear thunder, it will likely rain

400

What does an organism's habitat provide? 

Food, water, shelter

400

When a pond fills up with sediment. 

Deposition

400

What is the error in the table?

60 degrees C is a solid, but 50 degrees is a liquid.

60 degrees C would also be a liquid

400

A fan converts electrical energy into ______

Mechanical energy

500

What do the numbers on the table represent?

Data

500

An area where living and nonliving things interact is called

Ecosystem

500

Oil, coal, and gas are all 

Nonrenewable energy
500

When salt is added to water, a ______ forms.

Solution

500

The ________ of a tuning fork produce sound waves. 

Vibrations

600

Which statement is an inference and not an observation?

B. the flowers are orange to attract insects

600

In the ocean, the most important living organisms for almost all food chains are

Plankton

600

This causes mountain ranges to form.

The collision of tectonic plates

600

All matter is made of this.

Atoms

600

Sound cannot travel in space, because space is _______________

A vaccum

700

What is the correct order of the scientific method?

E, A, C, D, F,, B

700

A word that means two or more populations living together in the same habitat.

Community

700

Pumice is a rock formed when magma explodes out of a volcano. What kind of rock is pumice?

Igneous

700

What type of energy is needed to melt a popsicle?

Thermal energy

700

The location of objects by reflected sounds is called ___?

Echo location?

800

What is improved through the process of creating, building, and testing devices?

Technology

800

Use the dichotomous key below to identify the unknown flower.

Erysimum marshallii

800

The place where two large plates of the Earth meet.

Fault

800

If you threw a teddy bear in space, it would travel forever because __________

No force acts upon it.

800

The _____ of a sound determines if you hear a high or low sound.

Pitch

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