C. Matter and Energy · Energy in Our LivesEnergy in Our Lives: Unit ReviewC1.1 C1.2 C2.1 C2.2 C2.3 C2.4 C2.5 C2.6 A1.1 A1.2 A1.3 A1.4 A1.5 A2.1 A2.2 A3.1 A3.3About 40 minutesLearning goalsI can explain what energy is and where it comes from.I can explain why the sun and food are important energy sources.I can name ways we use energy and how life would change without electricity.I can describe how we use energy in different seasons and how to save it.Words to knowenergyThe ability to move or change something.energy sourceWhere energy comes from, like the sun, wind, food or batteries.limitedThere is only so much, and it can run out.renewableAn energy source that will not run out, like the sun and wind.Let's review!You have learned a lot about energy: what it is, where it comes from, how we use it, and how to save it. This review has a few questions from every lesson. Try each one, then press Show answer to check. If a part feels tricky, go back to that lesson.MOVECHANGEA ball rolls.Ice melts into water.Energy is the ability to move or change something. Ask: did something move, or did something change?Turn lightsoffWear asweaterClose thedoor quicklyWalk or bikeshort tripsFour ways to be an energy saver. Using less energy helps limited resources last longer.What Is Energy?1What is energy?Show answerThe ability to move or change something.2Snow melts into water. Is that a move or a change?Show answerA change.3Which ramp makes a toy car roll farther: a low one or a high one?Show answerThe high one. It gives the car more energy.The Sun: Earth's Most Important Energy Source1Name 2 things the sun gives Earth.Show answerLight and heat.2What 3 things does the sun warm?Show answerThe air, land and water.3Why do plants need the sun?Show answerThey use sunlight to make their food.Food Gives Living Things Energy1Where do people and animals get their energy?Show answerFrom food.2Put this food chain in order: fox, sun, rabbit, clover.Show answerSun → clover → rabbit → fox.3What fills half your plate in Canada's Food Guide?Show answerVegetables and fruits.Energy Sources and How We Use Them1Name 3 energy sources.Show answerExamples: sun, wind, moving water, food, wood, gasoline, natural gas, batteries, electricity. Any 3.2Name the 4 big ways we use energy.Show answerLight, heat, movement and sound.3Name 2 things that would stop working in a power outage.Show answerExamples: lights, fridge, TV, computer, electric stove, many furnaces. Any 2.4What did Inuit families use a qulliq for?Show answerLight, heat and cooking. It burns seal or whale oil.Using Energy Wisely in Every Season1Which is limited: the wind or natural gas?Show answerNatural gas. The wind will not run out.2Name one way we use more energy in winter.Show answerHeating our homes, or using lights longer because days are short.3Fix this robot code: "1. Turn off the light. 2. Walk to the light switch."Show answerSwap the order: 1. Walk to the light switch. 2. Turn off the light.Just for funRiddle: I am a star, but I'm not in movies. I give you light, but I'm not a lamp. I help plants grow, but I'm not a gardener. What am I?The sun!How to use this reviewDo the review over two short sittings if your child gets tired. Each section matches one lesson.Read questions aloud. Accept answers that are said, drawn or pointed to.Ask "How do you know?" and "Where did the energy come from?"Note which section had mistakes, then repeat that lesson's hands-on activity. Doing is the best way to learn science.Check your understandingQuiz1. Energy is the ability to...stay the samebe invisiblemove or change something2. Which shows energy making something change?a rock on a shelfa closed bookpopcorn popping3. What is Earth's most important source of energy?batteriesthe sunthe moon4. Where will a snowball melt fastest?in the sunin the shadein a freezer5. Where do animals get their energy?from foodfrom batteriesfrom wall plugs6. Which is in the right order for a food chain?owl → sun → grass → mousemouse → grass → owl → sunsun → grass → mouse → owl7. What is the energy source for a sailboat?batteriesthe windfood8. Which would still work in a power outage?a TV plugged into the walla battery flashlightan electric stove9. Which energy resource is limited and can run out?oilthe sunthe wind10. Which is a responsible way to use energy in winter?leave the front door openleave every light on all nightwear a sweater and close doors quicklyMark lesson completeFor parents and teachersUse mistakes to choose what to revisit. Each review section matches one lesson.Thinks energy is only "being active", or can't tell move from change: revisit What Is Energy? and redo the ramp racers.Doesn't know the sun warms land and water, or how it helps plants: revisit The Sun: Earth's Most Important Energy Source and the ice cube test.Writes food chains backwards, or thinks plants eat soil: revisit Food Gives Living Things Energy. Always start with the sun.Names devices but not their energy sources, or can't imagine life without electricity: revisit Energy Sources and How We Use Them and the energy detective hunt.Thinks all energy can run out (or none can), mixes up seasonal uses, or writes code out of order: revisit Using Energy Wisely in Every Season and play "robot".A few mistakes are normal. Praise good explanations and careful testing, not only correct answers.PreviousUsing Energy Wisely in Every SeasonNextObjects and the Materials They Are Made Of