Unit test · Weeks 1–6 · 25–30 min · 32 points

Science Unit 1 Test: Properties of Matter

Name Date

Part 1: Observable Properties

Use the table to answer questions 1 to 3.

Object	Hard or soft	Bends?	Soaks up water?
metal key	hard	no	no
washcloth	soft	yes	yes
plastic ruler	hard	yes	no
paper napkin	soft	yes	yes

Which object is hard but bends?metal keywashclothplastic rulerpaper napkin
Which two objects have all the same properties in the table?
Name two properties that are different for the key and the washcloth.
Lena builds a car with 12 blocks. She takes it apart and builds a house with the same 12 blocks. How many blocks are in the house? What changed?

Part 2: Heating & Cooling

Think about what heating and cooling do to matter.

Butter sits in a warm pan and turns into a liquid. What caused the change?heatingcoolingcutting
Melted crayon wax is put in the fridge. What will happen to it?
Write R if the change can be undone (reversible). Write I if it cannot be undone (irreversible). ___ chocolate melts in your hand ___ a log burns in a campfire ___ pancake batter cooks in a pan ___ a sheet of foil is crumpled
Maya says, "If I put a baked cookie in the fridge, it will turn back into cookie dough." Is she right? Tell why.

Part 3: Material Testing

Read about Leo's test. Use the table to answer.

Leo's Spill Test

Leo cut four squares the same size. He poured 5 spoons of water on a plate. He laid one square on the water for 10 seconds, then lifted it. He counted the spoons of water still on the plate. He did the same thing for each square.

Material	Spoons of water left on the plate
paper towel	2
cotton rag	1
plastic wrap	5
felt	3

Which material is best for wiping up a spill? Use a number from the table to tell why.
Leo wants a lunch bag that keeps his sandwich dry. Which material should he pick? Why? Then name one thing Leo kept the same to make his test fair.

Part 4: CER Response

Read about Ana's test. Then answer the question with a claim, evidence and reasoning.

Sun, Then Freezer

Ana put an ice cube, a pat of butter and a small rock on a sunny windowsill for one hour. Then she put all three in the freezer overnight.

Object	After one hour in the sun	After a night in the freezer
ice cube	liquid water	solid ice
butter	soft and melty	hard
rock	no change	no change

Can heating and cooling change matter? Claim: My answer is ____. Evidence: The table shows ____. Reasoning: This is because ____.