Nature of Physical Science Earth Science Life Science

Nature of Physical Science Earth Science Life Science 10 pt 10 pt 20 pt 20 pt 30 pt 30 pt 40 pt 40 pt 50 pt 50 pt

What is the first step in the scientific method?

Ask a question. (Problem statement)

A test performed to see if an hypothesis is true is an _______

Experiment

Which best describes the following statement: If snails move faster on smoother surfaces, then a snail will move faster on tile than on stucco. a variable a result a hypothesis a question

a hypothesis

John and Sarah have performed an experiment and are not sure their results are valid. What should they do to check their results? Average their data Change their lab report Perform a new experiment Repeat the same experiment

repeat the same experiment

In an experiment designed to test a single factor, what are the factors kept constant or held fixed called?

Controls

What kind of change occurs when a new substance is formed?

Chemical change The wick burning forms carbon and is a chemical change. Wax melting is physical.

What is produced by unbalance forces?

motion

What is a pathway for an electric current?

circuit

When sugar is added to ice tea, what can be done to speed up the mixture?

Stir the mixture with a spoon to speed up the dissolving of the sugar in the tea.

Which state of matter can have the following properties: Volume Mass 8 m. L 15 grams Shape Texture Color cube smooth black

A solid mineral galena

What is the name of a tool that measures air pressure?

barometer

What is the name of the instrument used to help measure the wind speed?

Anemometer

Name two factors that affect climate?

Elevation Latitude Closeness to a body of water

What climate has moderate precipitation and has a range of temperatures?

Temperate

What factor causes mountains to have cooler temperatures than places closer to sea level?

elevation

What is luster?

The way a mineral reflects light

What property describes how a mineral can break along a smooth flat surface?

Cleavage The mineral Mica has cleavage.

What type of rocks are formed from heat and pressure?

Metamorphic Rocks

What do the inner planets have in common?

They are all solid, rocky planets.

What is a large group of stars, dust, and gas held together by gravity called?

A galaxy

What are features and behaviors that help living survive called ?

Adaptations

Which organ produces digestive fluids and releases them into the small intestine?

pancreas

Your skeleton gives your body support and structure. What gives a plant its structure?

It’s the stem.

What is the path of energy from one organism to another in an ecosystem called?

Food chain

What are the four ingredients in photosynthsis?

Sunlight, water, carbon dioxide and chlorophyll