FSSA Review - 8th Physical Science

FSSA Review - 8th Physical Science

Read a graph!

• This graph tells us the change in

• rainfall (on the left)

• over time (on the bottom)

• The most was on the 3rd and the least was on the 2nd and 8th

Multiple Choice

Predict: What might the sulfur emissions be in the year 2020?

• 120

• 80

• 10

• 200

States of Matter

• Matter can change from solid, liquid and gas

• Particles move faster as temperature goes up

Multiple Choice

In which state do particles have the most amount of energy?

• solid

• liquid

• gas

Molecules can come in two forms

• With only one kind of atom

• or with different kinds of atoms

Multiple Choice

Which one of these represents a compound molecule?

• Carbon bonded to Oxygen

• Neon bonded to Neon

• Neon mixed with Carbon

• Carbon mixed with Carbon

Physical vs Chemical Changes

• Physical: melting ice, breaking glass, cutting wood

• Chemical: burning, combining an acid and a base, digesting

Multiple Choice

Which one of these describes a chemical change?

• no new substance is made

• a new substance is made

A chemical reaction happens

• as molecules bump into each other

• the more they collide, the faster they react

Multiple Choice

Which one of these will speed up a chemical reaction?

• increasing the temperature

• diluting it

• removing the catalyst

• making it clumpy

The Carbon cycle

• mass is conserved

• carbon atoms are used over again between living things

Multiple Choice

Where does a plant get carbon from to make into sugars?

• bacteria in the ground

• water molecules

• CO2 gas in the air

• nitrogen in the air

Gravity

• When two objects feel a force attracting them to one another

Multiple Choice

How could you increase the force of gravity between two objects?

• Move them closer

• Move them apart

Earth-Moon-Sun

• The Earth revolves around the Sun

• The Moon revolves around the Earth

Multiple Choice

At what point could there be a solar eclipse?

• Earth between the moon and sun

• Sun between moon and earth

• Mercury between sun and earth

• Moon between earth and sun

The Planets

• The planets are each unique

• Different atmospheres and different make-ups

Multiple Choice

Which planet rotates on its side?

• Mercury

• Uranus

• Jupiter

• Neptune

Stars

• The HR Diagram catalogs different types of stars

• Most stars get brighter as the get hotter

Multiple Choice

What are the largest stars?

• white dwarves

• main sequence

• red super giants

• red dwarves