SCIENTIFIC METHOD
Intro to Life Science
7th GRADE
EARTH SCIENCE
7TH GRADE
PHYSICAL SCIENCE
7TH GRADE
Periodic Table
7TH GRADE
100

Which tool is used in order to find the MASS of an object?

b) triple beam balance
100

Is eye color an inherit trait or an acquired trait?

Inherit

100

Which layer of Earth has the LEAST density?

c) crust
100

Which term refers to the distance from any point on a wave to an identical point on the next wave?

a) wavelength

100

What makes up the nucleus of an atom?

protons and neutrons

200

Which term BEST describes the factor in an experiment that the scientist changes or manipulates?

a) independent variable

200

What is a trait that has 2 alleles in different forms?

heterozygous

200

Which type of rock forms from magma erupting from a volcano?

c) igneous

200

Which term refers to the maximum distance that the particles in a wave move from their rest position?

b) amplitude
200

What kind of metals are Group 1 on the periodic table?

Alkali

300

These are the steps of the Scientific Method

Ask a question, State a Hypothesis, Plan the Experiment (variables), gather data, analyze data and draw conclusion. 

300

An organism that gets energy by eating other organisms.

Consumer

300

In which layer of Earth are temperature and pressure the highest?

a) inner core

300

A lizard sunbathing on a rock. Convection or radiation?

Radiation

300

What is the only nonmetal in group 1?

Hydrogen

400

How many independent variables should there be when testing a hypothesis?

a) one

400

A palm tree is an example of this type of organisms (hint: it makes its own food)

Producer

400

Which is the BEST description of where earthquakes are likely to occur?

c) along transform plate boundaries

400

In which type of wave do particles move back and forth in the same direction that the wave travels?

b) longitudinal wave

400

What are the 3 groups of elements on the periodic table?

metals, nonmetals, metalloids

500

You want to know how different types of sugars affect the color of the cake (darker or lighter).  What is the dependent variable and the independent variable.  

Independent = types of sugar

Dependent = color of the cake

500

An organism that breaks down dead material and returns the substances to the environment. 

Decomposer

500

Which of these BEST describes the composition of Earth's inner core?

c) solid iron and nickel
500

Mention the 3 ways in which heat transfers. 

Conduction (contact), convection (in fluids) and radiation (through space)

500

Who devised the first periodic table?

Mendeleev

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